388836396 has 48 divisors (see below), whose sum is σ = 1085644000. Its totient is φ = 119641536.

The previous prime is 388836377. The next prime is 388836397. The reversal of 388836396 is 693638883.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (388836397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137071 + ... + 139878.

Almost surely, 2^388836396 is an apocalyptic number.

388836396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

388836396 is an abundant number, since it is smaller than the sum of its proper divisors (696807604).

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

388836396 is a wasteful number, since it uses less digits than its factorization.

388836396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276975 (or 276967 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 388836396 is about 19718.9349610977. The cubic root of 388836396 is about 729.8870132257.

The spelling of 388836396 in words is "three hundred eighty-eight million, eight hundred thirty-six thousand, three hundred ninety-six".