2318990 has 16 divisors (see below), whose sum is σ = 4272048. Its totient is φ = 905856.

The previous prime is 2318959. The next prime is 2319013. The reversal of 2318990 is 998132.

It is a Curzon number.

It is a congruent 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, 2267 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (267003).

2^2318990 is an apocalyptic number.

2318990 is a deficient number, since it is larger than the sum of its proper divisors (1953058).

2318990 is a wasteful number, since it uses less digits than its factorization.

2318990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2318990 is about 1522.8230363374. The cubic root of 2318990 is about 132.3629055485.

The spelling of 2318990 in words is "two million, three hundred eighteen thousand, nine hundred ninety".