605939904 has 42 divisors (see below), whose sum is σ = 1736818980. Its totient is φ = 201979776.

The previous prime is 605939879. The next prime is 605939911. The reversal of 605939904 is 409939506.

It is a happy number.

605939904 is a `hidden beast` number, since 605 + 9 + 39 + 9 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 605939904.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525414 + ... + 526565.

Almost surely, 2^605939904 is an apocalyptic number.

605939904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

605939904 is an abundant number, since it is smaller than the sum of its proper divisors (1130879076).

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

605939904 is a wasteful number, since it uses less digits than its factorization.

605939904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051997 (or 1051984 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 605939904 is about 24615.8466033570. The cubic root of 605939904 is about 846.2068136133.

The spelling of 605939904 in words is "six hundred five million, nine hundred thirty-nine thousand, nine hundred four".