2997992 has 16 divisors (see below), whose sum is σ = 5640000. Its totient is φ = 1494000.

The previous prime is 2997977. The next prime is 2997997.

2997992 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2997997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 4367.

It is an arithmetic number, because the mean of its divisors is an integer number (352500).

2^2997992 is an apocalyptic number.

It is an amenable number.

2997992 is a deficient number, since it is larger than the sum of its proper divisors (2642008).

2997992 is a wasteful number, since it uses less digits than its factorization.

2997992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1252 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The square root of 2997992 is about 1731.4710508698. The cubic root of 2997992 is about 144.1927716583.

The spelling of 2997992 in words is "two million, nine hundred ninety-seven thousand, nine hundred ninety-two".