2997890 has 32 divisors (see below), whose sum is σ = 6238080. Its totient is φ = 1016064.

The previous prime is 2997887. The next prime is 2997893. The reversal of 2997890 is 987992.

It is an interprime number because it is at equal distance from previous prime (2997887) and next prime (2997893).

It is not an unprimeable number, because it can be changed into a prime (2997893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7721 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^2997890 is an apocalyptic number.

2997890 is an abundant number, since it is smaller than the sum of its proper divisors (3240190).

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

2997890 is a wasteful number, since it uses less digits than its factorization.

2997890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2997890 is about 1731.4415958963. The cubic root of 2997890 is about 144.1911363605.

The spelling of 2997890 in words is "two million, nine hundred ninety-seven thousand, eight hundred ninety".