3787998939 has 48 divisors (see below), whose sum is σ = 6023227392. Its totient is φ = 2370757248.

The previous prime is 3787998919. The next prime is 3787998953. The reversal of 3787998939 is 9398997873.

3787998939 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 a de Polignac number, because 3787998939 - 2¹⁶ = 3787933403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3787998919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2076982 + ... + 2078804.

It is an arithmetic number, because the mean of its divisors is an integer number (125483904).

Almost surely, 2^3787998939 is an apocalyptic number.

3787998939 is a deficient number, since it is larger than the sum of its proper divisors (2235228453).

3787998939 is a wasteful number, since it uses less digits than its factorization.

3787998939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2346 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The square root of 3787998939 is about 61546.7215942490. The cubic root of 3787998939 is about 1558.8462512078.

The spelling of 3787998939 in words is "three billion, seven hundred eighty-seven million, nine hundred ninety-eight thousand, nine hundred thirty-nine".