3937381902 has 48 divisors (see below), whose sum is σ = 8634264912. Its totient is φ = 1296622080.

The previous prime is 3937381873. The next prime is 3937381907. The reversal of 3937381902 is 2091837393.

3937381902 is a `hidden beast` number, since 393 + 73 + 8 + 190 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937381907) 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 23 ways as a sum of consecutive naturals, for example, 1180377 + ... + 1183707.

It is an arithmetic number, because the mean of its divisors is an integer number (179880519).

Almost surely, 2^3937381902 is an apocalyptic number.

3937381902 is an abundant number, since it is smaller than the sum of its proper divisors (4696883010).

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

3937381902 is a wasteful number, since it uses less digits than its factorization.

3937381902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 3937381902 is about 62748.5609556108. The cubic root of 3937381902 is about 1579.0741119666.

The spelling of 3937381902 in words is "three billion, nine hundred thirty-seven million, three hundred eighty-one thousand, nine hundred two".