4256992 has 24 divisors (see below), whose sum is σ = 8446032. Its totient is φ = 2112000.

The previous prime is 4256981. The next prime is 4257017. The reversal of 4256992 is 2996524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (351918).

Almost surely, 2^4256992 is an apocalyptic number.

It is an amenable number.

4256992 is a deficient number, since it is larger than the sum of its proper divisors (4189040).

4256992 is a wasteful number, since it uses less digits than its factorization.

4256992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1034 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 4256992 is about 2063.2479249959. The cubic root of 4256992 is about 162.0693702804.

The spelling of 4256992 in words is "four million, two hundred fifty-six thousand, nine hundred ninety-two".