5131928 has 8 divisors (see below), whose sum is σ = 9622380. Its totient is φ = 2565960.

The previous prime is 5131897. The next prime is 5131961. The reversal of 5131928 is 8291315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5131928.

It is a congruent number.

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, 320738 + ... + 320753.

Almost surely, 2^5131928 is an apocalyptic number.

It is an amenable number.

5131928 is a deficient number, since it is larger than the sum of its proper divisors (4490452).

5131928 is a wasteful number, since it uses less digits than its factorization.

5131928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641497 (or 641493 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 5131928 is about 2265.3759069965. The cubic root of 5131928 is about 172.4885156536.

The spelling of 5131928 in words is "five million, one hundred thirty-one thousand, nine hundred twenty-eight".