7438856 has 16 divisors (see below), whose sum is σ = 13986000. Its totient is φ = 3709264.

The previous prime is 7438841. The next prime is 7438891. The reversal of 7438856 is 6588347.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (874125).

Almost surely, 2^7438856 is an apocalyptic number.

It is an amenable number.

7438856 is a deficient number, since it is larger than the sum of its proper divisors (6547144).

7438856 is a wasteful number, since it uses less digits than its factorization.

7438856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 7438856 is about 2727.4266259608. The cubic root of 7438856 is about 195.2099951211.

The spelling of 7438856 in words is "seven million, four hundred thirty-eight thousand, eight hundred fifty-six".