970218 has 40 divisors (see below), whose sum is σ = 2234628. Its totient is φ = 314496.

The previous prime is 970217. The next prime is 970219. The reversal of 970218 is 812079.

It is an interprime number because it is at equal distance from previous prime (970217) and next prime (970219).

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 42849 = 963^2 + 207^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 970191 and 970200.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 970218.

It is not an unprimeable number, because it can be changed into a prime (970213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8530 + ... + 8642.

2⁹⁷⁰²¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 970218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117314).

970218 is an abundant number, since it is smaller than the sum of its proper divisors (1264410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

970218 is a wasteful number, since it uses less digits than its factorization.

970218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 970218 is about 984.9964466941. The cubic root of 970218 is about 98.9972451024.

The spelling of 970218 in words is "nine hundred seventy thousand, two hundred eighteen".