5624991 has 8 divisors (see below), whose sum is σ = 8333360. Its totient is φ = 3749976.

The previous prime is 5624989. The next prime is 5625017. The reversal of 5624991 is 1994265.

5624991 is a `hidden beast` number, since 562 + 4 + 9 + 91 = 666.

It is not a de Polignac number, because 5624991 - 2¹ = 5624989 is a prime.

It is a Duffinian number.

5624991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5624911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104140 + ... + 104193.

It is an arithmetic number, because the mean of its divisors is an integer number (1041670).

Almost surely, 2^5624991 is an apocalyptic number.

5624991 is a deficient number, since it is larger than the sum of its proper divisors (2708369).

5624991 is a wasteful number, since it uses less digits than its factorization.

5624991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208342 (or 208336 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 5624991 is about 2371.7063477589. The cubic root of 5624991 is about 177.8445703740.

It can be divided in two parts, 562499 and 1, that added together give a square (562500 = 750²).

The spelling of 5624991 in words is "five million, six hundred twenty-four thousand, nine hundred ninety-one".