3992456 has 24 divisors (see below), whose sum is σ = 8108730. Its totient is φ = 1842048.

The previous prime is 3992453. The next prime is 3992477. The reversal of 3992456 is 6542993.

It can be written as a sum of positive squares in 3 ways, for example, as 2669956 + 1322500 = 1634^2 + 1150^2 .

It is not an unprimeable number, because it can be changed into a prime (3992453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125 + ... + 2828.

Almost surely, 2^3992456 is an apocalyptic number.

It is an amenable number.

3992456 is an abundant number, since it is smaller than the sum of its proper divisors (4116274).

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

3992456 is a wasteful number, since it uses less digits than its factorization.

3992456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2968 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 3992456 is about 1998.1131099114. The cubic root of 3992456 is about 158.6402477807.

The spelling of 3992456 in words is "three million, nine hundred ninety-two thousand, four hundred fifty-six".