5156438 has 16 divisors (see below), whose sum is σ = 8894880. Its totient is φ = 2196096.

The previous prime is 5156419. The next prime is 5156441. The reversal of 5156438 is 8346515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (555930).

Almost surely, 2^5156438 is an apocalyptic number.

5156438 is a deficient number, since it is larger than the sum of its proper divisors (3738442).

5156438 is a wasteful number, since it uses less digits than its factorization.

5156438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its digits is 14400, while the sum is 32.

The square root of 5156438 is about 2270.7791614334. The cubic root of 5156438 is about 172.7626803766.

The spelling of 5156438 in words is "five million, one hundred fifty-six thousand, four hundred thirty-eight".