670839104 has 28 divisors (see below), whose sum is σ = 1433597844. Its totient is φ = 309617664.

The previous prime is 670839067. The next prime is 670839139. The reversal of 670839104 is 401938076.

It can be written as a sum of positive squares in 2 ways, for example, as 422713600 + 248125504 = 20560^2 + 15752^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402317 + ... + 403980.

It is an arithmetic number, because the mean of its divisors is an integer number (51199923).

Almost surely, 2^670839104 is an apocalyptic number.

670839104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

670839104 is an abundant number, since it is smaller than the sum of its proper divisors (762758740).

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

670839104 is a wasteful number, since it uses less digits than its factorization.

670839104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806322 (or 806312 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 670839104 is about 25900.5618471878. The cubic root of 670839104 is about 875.3991556822.

The spelling of 670839104 in words is "six hundred seventy million, eight hundred thirty-nine thousand, one hundred four".