4089992 has 16 divisors (see below), whose sum is σ = 7692300. Its totient is φ = 2038720.

The previous prime is 4089973. The next prime is 4090001. The reversal of 4089992 is 2999804.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 682276 = 1846^2 + 826^2 .

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, 3134 + ... + 4242.

Almost surely, 2^4089992 is an apocalyptic number.

It is an amenable number.

4089992 is a deficient number, since it is larger than the sum of its proper divisors (3602308).

4089992 is a wasteful number, since it uses less digits than its factorization.

4089992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4089992 is about 2022.3728637420. The cubic root of 4089992 is about 159.9217325534.

The spelling of 4089992 in words is "four million, eighty-nine thousand, nine hundred ninety-two".