5656338 has 64 divisors (see below), whose sum is σ = 13680000. Its totient is φ = 1726272.

The previous prime is 5656307. The next prime is 5656379. The reversal of 5656338 is 8336565.

5656338 is a `hidden beast` number, since 565 + 63 + 38 = 666.

Its product of digits (64800) is a multiple of the sum of its prime factors (216).

It is a Curzon number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 37888 + ... + 38036.

It is an arithmetic number, because the mean of its divisors is an integer number (213750).

Almost surely, 2^5656338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5656338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6840000).

5656338 is an abundant number, since it is smaller than the sum of its proper divisors (8023662).

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

5656338 is a wasteful number, since it uses less digits than its factorization.

5656338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5656338 is about 2378.3056994424. The cubic root of 5656338 is about 178.1743231832.

It can be divided in two parts, 565 and 6338, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 5656338 in words is "five million, six hundred fifty-six thousand, three hundred thirty-eight".