2307990 has 32 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 608864.

The previous prime is 2307989. The next prime is 2308001. The reversal of 2307990 is 997032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (174960).

2^2307990 is an apocalyptic number.

2307990 is an abundant number, since it is smaller than the sum of its proper divisors (3290730).

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

2307990 is a wasteful number, since it uses less digits than its factorization.

2307990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2307990 is about 1519.2070299995. The cubic root of 2307990 is about 132.1532884040.

The spelling of 2307990 in words is "two million, three hundred seven thousand, nine hundred ninety".