388464976 has 40 divisors (see below), whose sum is σ = 780307200. Its totient is φ = 187125120.

The previous prime is 388464971. The next prime is 388464997. The reversal of 388464976 is 679464883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388464971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422245 + ... + 423163.

It is an arithmetic number, because the mean of its divisors is an integer number (19507680).

Almost surely, 2^388464976 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 388464976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390153600).

388464976 is an abundant number, since it is smaller than the sum of its proper divisors (391842224).

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

388464976 is a wasteful number, since it uses less digits than its factorization.

388464976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1861 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The square root of 388464976 is about 19709.5148595799. The cubic root of 388464976 is about 729.6545409911.

The spelling of 388464976 in words is "three hundred eighty-eight million, four hundred sixty-four thousand, nine hundred seventy-six".