5656388 has 6 divisors (see below), whose sum is σ = 9898686. Its totient is φ = 2828192.

The previous prime is 5656381. The next prime is 5656397. The reversal of 5656388 is 8836565.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 719104 = 2222^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (5656381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707045 + ... + 707052.

It is an arithmetic number, because the mean of its divisors is an integer number (1649781).

Almost surely, 2^5656388 is an apocalyptic number.

It is an amenable number.

5656388 is a deficient number, since it is larger than the sum of its proper divisors (4242298).

5656388 is a wasteful number, since it uses less digits than its factorization.

5656388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414101 (or 1414099 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 5656388 is about 2378.3162111040. The cubic root of 5656388 is about 178.1748481807.

The spelling of 5656388 in words is "five million, six hundred fifty-six thousand, three hundred eighty-eight".