3900038388 has 24 divisors (see below), whose sum is σ = 9103876992. Its totient is φ = 1299471744.

The previous prime is 3900038383. The next prime is 3900038393. The reversal of 3900038388 is 8838300093.

It is an interprime number because it is at equal distance from previous prime (3900038383) and next prime (3900038393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900038383) 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 7 ways as a sum of consecutive naturals, for example, 37045 + ... + 95772.

It is an arithmetic number, because the mean of its divisors is an integer number (379328208).

Almost surely, 2^3900038388 is an apocalyptic number.

It is an amenable number.

3900038388 is an abundant number, since it is smaller than the sum of its proper divisors (5203838604).

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

3900038388 is a wasteful number, since it uses less digits than its factorization.

3900038388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135271 (or 135269 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3900038388 is about 62450.2873332061. The cubic root of 3900038388 is about 1574.0660811487.

The spelling of 3900038388 in words is "three billion, nine hundred million, thirty-eight thousand, three hundred eighty-eight".