5640516 has 72 divisors (see below), whose sum is σ = 16918720. Its totient is φ = 1609632.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640516 is 6150465.

It is a happy number.

5640516 is a `hidden beast` number, since 5 + 640 + 5 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 5640516.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6390 + ... + 7218.

Almost surely, 2^5640516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5640516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8459360).

5640516 is an abundant number, since it is smaller than the sum of its proper divisors (11278204).

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

5640516 is a wasteful number, since it uses less digits than its factorization.

5640516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5640516 is about 2374.9770525207. The cubic root of 5640516 is about 178.0080373428.

The spelling of 5640516 in words is "five million, six hundred forty thousand, five hundred sixteen".