388670796 has 72 divisors (see below), whose sum is σ = 1046564064. Its totient is φ = 121198080.

The previous prime is 388670773. The next prime is 388670797. The reversal of 388670796 is 697076883.

It is not an unprimeable number, because it can be changed into a prime (388670797) 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, 104041 + ... + 107711.

It is an arithmetic number, because the mean of its divisors is an integer number (14535612).

Almost surely, 2^388670796 is an apocalyptic number.

388670796 is a gapful number since it is divisible by the number (36) 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 388670796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523282032).

388670796 is an abundant number, since it is smaller than the sum of its proper divisors (657893268).

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

388670796 is a wasteful number, since it uses less digits than its factorization.

388670796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 388670796 is about 19714.7355041857. The cubic root of 388670796 is about 729.7833822783.

The spelling of 388670796 in words is "three hundred eighty-eight million, six hundred seventy thousand, seven hundred ninety-six".