5634621 has 24 divisors (see below), whose sum is σ = 8692320. Its totient is φ = 3506976.

The previous prime is 5634617. The next prime is 5634623. The reversal of 5634621 is 1264365.

5634621 is a `hidden beast` number, since 5 + 6 + 34 + 621 = 666.

It is not a de Polignac number, because 5634621 - 2² = 5634617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5634623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13995 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (362180).

Almost surely, 2^5634621 is an apocalyptic number.

It is an amenable number.

5634621 is a deficient number, since it is larger than the sum of its proper divisors (3057699).

5634621 is a wasteful number, since it uses less digits than its factorization.

5634621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5634621 is about 2373.7356634638. The cubic root of 5634621 is about 177.9460026424.

Adding to 5634621 its reverse (1264365), we get a palindrome (6898986).

It can be divided in two parts, 563 and 4621, that added together give a square (5184 = 72²).

The spelling of 5634621 in words is "five million, six hundred thirty-four thousand, six hundred twenty-one".