5621236 has 6 divisors (see below), whose sum is σ = 9837170. Its totient is φ = 2810616.

The previous prime is 5621221. The next prime is 5621243. The reversal of 5621236 is 6321265.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 1336336 = 2070^2 + 1156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5621236.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 702651 + ... + 702658.

Almost surely, 2^5621236 is an apocalyptic number.

It is an amenable number.

5621236 is a deficient number, since it is larger than the sum of its proper divisors (4215934).

5621236 is a wasteful number, since it uses less digits than its factorization.

5621236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405313 (or 1405311 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 5621236 is about 2370.9145914604. The cubic root of 5621236 is about 177.8049877911.

The spelling of 5621236 in words is "five million, six hundred twenty-one thousand, two hundred thirty-six".