3698881902 has 32 divisors (see below), whose sum is σ = 8226118560. Its totient is φ = 1232003520.

The previous prime is 3698881883. The next prime is 3698881933. The reversal of 3698881902 is 2091888963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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, 45408 + ... + 97260.

It is an arithmetic number, because the mean of its divisors is an integer number (257066205).

Almost surely, 2^3698881902 is an apocalyptic number.

3698881902 is an abundant number, since it is smaller than the sum of its proper divisors (4527236658).

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

3698881902 is a wasteful number, since it uses less digits than its factorization.

3698881902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53185 (or 53179 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 3698881902 is about 60818.4338995999. The cubic root of 3698881902 is about 1546.5245616588.

The spelling of 3698881902 in words is "three billion, six hundred ninety-eight million, eight hundred eighty-one thousand, nine hundred two".