7388664 has 32 divisors (see below), whose sum is σ = 19069440. Its totient is φ = 2383200.

The previous prime is 7388653. The next prime is 7388669. The reversal of 7388664 is 4668837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7388669) 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, 4222 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (595920).

Almost surely, 2^7388664 is an apocalyptic number.

It is an amenable number.

7388664 is an abundant number, since it is smaller than the sum of its proper divisors (11680776).

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

7388664 is a wasteful number, since it uses less digits than its factorization.

7388664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971 (or 9967 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 7388664 is about 2718.2097049345. The cubic root of 7388664 is about 194.7699588393.

The spelling of 7388664 in words is "seven million, three hundred eighty-eight thousand, six hundred sixty-four".