5640536 has 24 divisors (see below), whose sum is σ = 11626860. Its totient is φ = 2563440.

The previous prime is 5640533. The next prime is 5640541. The reversal of 5640536 is 6350465.

It is a junction number, because it is equal to n+sod(n) for n = 5640499 and 5640508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1946 + ... + 3881.

Almost surely, 2^5640536 is an apocalyptic number.

It is an amenable number.

5640536 is an abundant number, since it is smaller than the sum of its proper divisors (5986324).

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

5640536 is a wasteful number, since it uses less digits than its factorization.

5640536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5640536 is about 2374.9812630840. The cubic root of 5640536 is about 178.0082477347.

The spelling of 5640536 in words is "five million, six hundred forty thousand, five hundred thirty-six".