8670340 has 48 divisors (see below), whose sum is σ = 22038912. Its totient is φ = 2797056.

The previous prime is 8670331. The next prime is 8670353. The reversal of 8670340 is 430768.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 8670299 and 8670308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (459144).

Almost surely, 2^8670340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8670340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11019456).

8670340 is an abundant number, since it is smaller than the sum of its proper divisors (13368572).

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

8670340 is a wasteful number, since it uses less digits than its factorization.

8670340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 8670340 is about 2944.5441073280. The cubic root of 8670340 is about 205.4370212901.

The spelling of 8670340 in words is "eight million, six hundred seventy thousand, three hundred forty".