5640956 has 6 divisors (see below), whose sum is σ = 9871680. Its totient is φ = 2820476.

The previous prime is 5640953. The next prime is 5640961. The reversal of 5640956 is 6590465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705116 + ... + 705123.

It is an arithmetic number, because the mean of its divisors is an integer number (1645280).

Almost surely, 2^5640956 is an apocalyptic number.

It is an amenable number.

5640956 is a deficient number, since it is larger than the sum of its proper divisors (4230724).

5640956 is a wasteful number, since it uses less digits than its factorization.

5640956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410243 (or 1410241 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5640956 is about 2375.0696831883. The cubic root of 5640956 is about 178.0126658496.

It can be divided in two parts, 56409 and 56, that added together give a palindrome (56465).

The spelling of 5640956 in words is "five million, six hundred forty thousand, nine hundred fifty-six".