2306990 has 16 divisors (see below), whose sum is σ = 4745952. Its totient is φ = 790944.

The previous prime is 2306981. The next prime is 2307031. The reversal of 2306990 is 996032.

It is a Curzon number.

It is a plaindrome in base 16.

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, 16409 + ... + 16548.

It is an arithmetic number, because the mean of its divisors is an integer number (296622).

2^2306990 is an apocalyptic number.

2306990 is an abundant number, since it is smaller than the sum of its proper divisors (2438962).

2306990 is a wasteful number, since it uses less digits than its factorization.

2306990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32971.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2306990 is about 1518.8778752750. The cubic root of 2306990 is about 132.1341993006.

The spelling of 2306990 in words is "two million, three hundred six thousand, nine hundred ninety".