3997603600 has 60 divisors (see below), whose sum is σ = 9935452260. Its totient is φ = 1543897600.

The previous prime is 3997603559. The next prime is 3997603613. The reversal of 3997603600 is 63067993.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 163021824 + 3834581776 = 12768^2 + 61924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160711 + ... + 183910.

It is an arithmetic number, because the mean of its divisors is an integer number (165590871).

Almost surely, 2^3997603600 is an apocalyptic number.

It is an amenable number.

3997603600 is an abundant number, since it is smaller than the sum of its proper divisors (5937848660).

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

3997603600 is a wasteful number, since it uses less digits than its factorization.

3997603600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344668 (or 344657 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 3997603600 is about 63226.6051595371. The cubic root of 3997603600 is about 1587.0839846513.

The spelling of 3997603600 in words is "three billion, nine hundred ninety-seven million, six hundred three thousand, six hundred".