388660674 has 16 divisors (see below), whose sum is σ = 788270400. Its totient is φ = 127728720.

The previous prime is 388660673. The next prime is 388660711. The reversal of 388660674 is 476066883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (388660673) 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, 455749 + ... + 456600.

It is an arithmetic number, because the mean of its divisors is an integer number (49266900).

Almost surely, 2^388660674 is an apocalyptic number.

388660674 is an abundant number, since it is smaller than the sum of its proper divisors (399609726).

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

388660674 is a wasteful number, since it uses less digits than its factorization.

388660674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912425.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 388660674 is about 19714.4787909800. The cubic root of 388660674 is about 729.7770470698. Note that the first 3 decimals are identical.

The spelling of 388660674 in words is "three hundred eighty-eight million, six hundred sixty thousand, six hundred seventy-four".