2320990 has 32 divisors (see below), whose sum is σ = 4852224. Its totient is φ = 782880.

The previous prime is 2320987. The next prime is 2320991. The reversal of 2320990 is 990232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320991) 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, 4737 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^2320990 is an apocalyptic number.

2320990 is an abundant number, since it is smaller than the sum of its proper divisors (2531234).

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

2320990 is a wasteful number, since it uses less digits than its factorization.

2320990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2320990 is about 1523.4795699319. The cubic root of 2320990 is about 132.4009464979.

The spelling of 2320990 in words is "two million, three hundred twenty thousand, nine hundred ninety".