5215660 has 24 divisors (see below), whose sum is σ = 11110176. Its totient is φ = 2056320.

The previous prime is 5215649. The next prime is 5215663. The reversal of 5215660 is 665125.

It is not an unprimeable number, because it can be changed into a prime (5215663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (462924).

Almost surely, 2^5215660 is an apocalyptic number.

It is an amenable number.

5215660 is an abundant number, since it is smaller than the sum of its proper divisors (5894516).

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

5215660 is a wasteful number, since it uses less digits than its factorization.

5215660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753 (or 3751 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5215660 is about 2283.7819510628. The cubic root of 5215660 is about 173.4215609355.

The spelling of 5215660 in words is "five million, two hundred fifteen thousand, six hundred sixty".