5600991 has 16 divisors (see below), whose sum is σ = 8576640. Its totient is φ = 3215520.

The previous prime is 5600989. The next prime is 5600993. The reversal of 5600991 is 1990065.

It is an interprime number because it is at equal distance from previous prime (5600989) and next prime (5600993).

It is not a de Polignac number, because 5600991 - 2¹ = 5600989 is a prime.

It is a super-2 number, since 2×5600991² = 62742200364162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5600993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3840 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (536040).

Almost surely, 2^5600991 is an apocalyptic number.

5600991 is a deficient number, since it is larger than the sum of its proper divisors (2975649).

5600991 is a wasteful number, since it uses less digits than its factorization.

5600991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 5600991 is about 2366.6412909438. The cubic root of 5600991 is about 177.5912748838.

The spelling of 5600991 in words is "five million, six hundred thousand, nine hundred ninety-one".