3698605938 has 32 divisors (see below), whose sum is σ = 7470921600. Its totient is φ = 1220608256.

The previous prime is 3698605931. The next prime is 3698605943. The reversal of 3698605938 is 8395068963.

It is not an unprimeable number, because it can be changed into a prime (3698605931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749443 + ... + 754361.

It is an arithmetic number, because the mean of its divisors is an integer number (233466300).

Almost surely, 2^3698605938 is an apocalyptic number.

3698605938 is an abundant number, since it is smaller than the sum of its proper divisors (3772315662).

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

3698605938 is a wasteful number, since it uses less digits than its factorization.

3698605938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The square root of 3698605938 is about 60816.1651043536. The cubic root of 3698605938 is about 1546.4860999713.

The spelling of 3698605938 in words is "three billion, six hundred ninety-eight million, six hundred five thousand, nine hundred thirty-eight".