4457992 has 32 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 1736640.

The previous prime is 4457987. The next prime is 4458001. The reversal of 4457992 is 2997544.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 5 + 7² + 9³ + 9³ + 2⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (325710).

Almost surely, 2^4457992 is an apocalyptic number.

It is an amenable number.

4457992 is an abundant number, since it is smaller than the sum of its proper divisors (5964728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4457992 is a wasteful number, since it uses less digits than its factorization.

4457992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261 (or 7257 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 4457992 is about 2111.3957468935. The cubic root of 4457992 is about 164.5810245612.

The spelling of 4457992 in words is "four million, four hundred fifty-seven thousand, nine hundred ninety-two".