5649931 has 8 divisors (see below), whose sum is σ = 6501600. Its totient is φ = 4809408.

The previous prime is 5649913. The next prime is 5649949. The reversal of 5649931 is 1399465.

It is an interprime number because it is at equal distance from previous prime (5649913) and next prime (5649949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5649931 - 2¹⁵ = 5617163 is a prime.

It is a super-2 number, since 2×5649931² = 63843440609522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5649901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^5649931 is an apocalyptic number.

5649931 is a deficient number, since it is larger than the sum of its proper divisors (851669).

5649931 is a wasteful number, since it uses less digits than its factorization.

5649931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its digits is 29160, while the sum is 37.

The square root of 5649931 is about 2376.9583504975. The cubic root of 5649931 is about 178.1070243890.

The spelling of 5649931 in words is "five million, six hundred forty-nine thousand, nine hundred thirty-one".