2990720 has 32 divisors (see below), whose sum is σ = 7151220. Its totient is φ = 1196032.

The previous prime is 2990719. The next prime is 2990749. The reversal of 2990720 is 270992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 141376 = 1688^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2990720² = 17888812236800, which contains 22 as substring.

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, 1697 + ... + 2976.

2^2990720 is an apocalyptic number.

2990720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2990720 is an abundant number, since it is smaller than the sum of its proper divisors (4160500).

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

2990720 is an equidigital number, since it uses as much as digits as its factorization.

2990720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2990720 is about 1729.3698274227. The cubic root of 2990720 is about 144.0760914724.

The spelling of 2990720 in words is "two million, nine hundred ninety thousand, seven hundred twenty".