3638434704 has 40 divisors (see below), whose sum is σ = 9428979840. Its totient is φ = 1208980608.

The previous prime is 3638434703. The next prime is 3638434733. The reversal of 3638434704 is 4074348363.

3638434704 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3638434703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104344 + ... + 134775.

It is an arithmetic number, because the mean of its divisors is an integer number (235724496).

Almost surely, 2^3638434704 is an apocalyptic number.

It is an amenable number.

3638434704 is an abundant number, since it is smaller than the sum of its proper divisors (5790545136).

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

3638434704 is a wasteful number, since it uses less digits than its factorization.

3638434704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239447 (or 239441 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The square root of 3638434704 is about 60319.4388568064. The cubic root of 3638434704 is about 1538.0538050703.

The spelling of 3638434704 in words is "three billion, six hundred thirty-eight million, four hundred thirty-four thousand, seven hundred four".