5391644 has 12 divisors (see below), whose sum is σ = 9739968. Its totient is φ = 2608800.

The previous prime is 5391643. The next prime is 5391647. The reversal of 5391644 is 4461935.

It is a self number, because there is not a number n which added to its sum of digits gives 5391644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21617 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (811664).

Almost surely, 2^5391644 is an apocalyptic number.

It is an amenable number.

5391644 is a deficient number, since it is larger than the sum of its proper divisors (4348324).

5391644 is a wasteful number, since it uses less digits than its factorization.

5391644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43516 (or 43514 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 5391644 is about 2321.9913867196. The cubic root of 5391644 is about 175.3505246420.

The spelling of 5391644 in words is "five million, three hundred ninety-one thousand, six hundred forty-four".