4077992 has 32 divisors (see below), whose sum is σ = 8208000. Its totient is φ = 1894464.

The previous prime is 4077971. The next prime is 4078003. The reversal of 4077992 is 2997704.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

Almost surely, 2^4077992 is an apocalyptic number.

It is an amenable number.

4077992 is an abundant number, since it is smaller than the sum of its proper divisors (4130008).

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

4077992 is a wasteful number, since it uses less digits than its factorization.

4077992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 4077992 is about 2019.4038724336. The cubic root of 4077992 is about 159.7651763636.

The spelling of 4077992 in words is "four million, seventy-seven thousand, nine hundred ninety-two".