2388656 has 20 divisors (see below), whose sum is σ = 4652232. Its totient is φ = 1188096.

The previous prime is 2388649. The next prime is 2388667. The reversal of 2388656 is 6568832.

It is a d-powerful number, because it can be written as 2¹⁹ + 3¹³ + 8² + 8⁶ + 6² + 5² + 6⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5171 + ... + 5613.

2^2388656 is an apocalyptic number.

It is an amenable number.

2388656 is a deficient number, since it is larger than the sum of its proper divisors (2263576).

2388656 is a wasteful number, since it uses less digits than its factorization.

2388656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 782 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 2388656 is about 1545.5277415821. The cubic root of 2388656 is about 133.6753110234.

The spelling of 2388656 in words is "two million, three hundred eighty-eight thousand, six hundred fifty-six".