5021636 has 12 divisors (see below), whose sum is σ = 9170112. Its totient is φ = 2401608.

The previous prime is 5021633. The next prime is 5021641. The reversal of 5021636 is 6361205.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5021633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27200 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (764176).

Almost surely, 2^5021636 is an apocalyptic number.

It is an amenable number.

5021636 is a deficient number, since it is larger than the sum of its proper divisors (4148476).

5021636 is a wasteful number, since it uses less digits than its factorization.

5021636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54610 (or 54608 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5021636 is about 2240.9007117675. The cubic root of 5021636 is about 171.2438866875.

The spelling of 5021636 in words is "five million, twenty-one thousand, six hundred thirty-six".