694980 has 144 divisors (see below), whose sum is σ = 2568384. Its totient is φ = 155520.

The previous prime is 694979. The next prime is 694987. The reversal of 694980 is 89496.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 694980.

It is not an unprimeable number, because it can be changed into a prime (694987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53454 + ... + 53466.

It is an arithmetic number, because the mean of its divisors is an integer number (17836).

2⁶⁹⁴⁹⁸⁰ is an apocalyptic number.

694980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284192).

694980 is an abundant number, since it is smaller than the sum of its proper divisors (1873404).

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

694980 is a wasteful number, since it uses less digits than its factorization.

694980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 694980 is about 833.6546047375. The cubic root of 694980 is about 88.5776394237.

The spelling of 694980 in words is "six hundred ninety-four thousand, nine hundred eighty".