2316640 has 24 divisors (see below), whose sum is σ = 5473440. Its totient is φ = 926592.

The previous prime is 2316631. The next prime is 2316653. The reversal of 2316640 is 466132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7080 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (228060).

2^2316640 is an apocalyptic number.

2316640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2316640 is an abundant number, since it is smaller than the sum of its proper divisors (3156800).

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

2316640 is a wasteful number, since it uses less digits than its factorization.

2316640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494 (or 14486 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2316640 is about 1522.0512474946. The cubic root of 2316640 is about 132.3181794741.

The spelling of 2316640 in words is "two million, three hundred sixteen thousand, six hundred forty".