5157644 has 6 divisors (see below), whose sum is σ = 9025884. Its totient is φ = 2578820.

The previous prime is 5157629. The next prime is 5157661. The reversal of 5157644 is 4467515.

It is a self number, because there is not a number n which added to its sum of digits gives 5157644.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 644702 + ... + 644709.

It is an arithmetic number, because the mean of its divisors is an integer number (1504314).

Almost surely, 2^5157644 is an apocalyptic number.

It is an amenable number.

5157644 is a deficient number, since it is larger than the sum of its proper divisors (3868240).

5157644 is a wasteful number, since it uses less digits than its factorization.

5157644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289415 (or 1289413 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 5157644 is about 2271.0446935276. The cubic root of 5157644 is about 172.7761480424.

The spelling of 5157644 in words is "five million, one hundred fifty-seven thousand, six hundred forty-four".