3939933936 has 80 divisors (see below), whose sum is σ = 10808951040. Its totient is φ = 1233146880.

The previous prime is 3939933929. The next prime is 3939933967. The reversal of 3939933936 is 6393399393.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 83941 + ... + 122171.

It is an arithmetic number, because the mean of its divisors is an integer number (135111888).

Almost surely, 2^3939933936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939933936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5404475520).

3939933936 is an abundant number, since it is smaller than the sum of its proper divisors (6869017104).

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

3939933936 is a wasteful number, since it uses less digits than its factorization.

3939933936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38374 (or 38368 counting only the distinct ones).

The product of its digits is 9565938, while the sum is 57.

The square root of 3939933936 is about 62768.8930601775. The cubic root of 3939933936 is about 1579.4151999095.

The spelling of 3939933936 in words is "three billion, nine hundred thirty-nine million, nine hundred thirty-three thousand, nine hundred thirty-six".