607643904 has 216 divisors, whose sum is σ = 1917255648. Its totient is φ = 170311680.

The previous prime is 607643899. The next prime is 607643941. The reversal of 607643904 is 409346706.

It is a super-2 number, since 2×607643904² = 738462228136722432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2521224 + ... + 2521464.

Almost surely, 2^607643904 is an apocalyptic number.

607643904 is a gapful number since it is divisible by the number (64) 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 607643904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958627824).

607643904 is an abundant number, since it is smaller than the sum of its proper divisors (1309611744).

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

607643904 is a wasteful number, since it uses less digits than its factorization.

607643904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 607643904 is about 24650.4341543917. The cubic root of 607643904 is about 846.9992942188. Note that the first 3 decimals are identical.

The spelling of 607643904 in words is "six hundred seven million, six hundred forty-three thousand, nine hundred four".