3959338788 has 72 divisors (see below), whose sum is σ = 10551588320. Its totient is φ = 1248359040.

The previous prime is 3959338787. The next prime is 3959338843. The reversal of 3959338788 is 8878339593.

3959338788 is a `hidden beast` number, since 3 + 9 + 593 + 38 + 7 + 8 + 8 = 666.

It is a super-2 number, since 2×3959338788² = 31352727276322617888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3959338787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468456 + ... + 476832.

Almost surely, 2^3959338788 is an apocalyptic number.

3959338788 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3959338788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5275794160).

3959338788 is an abundant number, since it is smaller than the sum of its proper divisors (6592249532).

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

3959338788 is a wasteful number, since it uses less digits than its factorization.

3959338788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097 (or 9092 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 3959338788 is about 62923.2769966727. The cubic root of 3959338788 is about 1582.0039183875.

The spelling of 3959338788 in words is "three billion, nine hundred fifty-nine million, three hundred thirty-eight thousand, seven hundred eighty-eight".