2320918 has 4 divisors (see below), whose sum is σ = 3481380. Its totient is φ = 1160458.

The previous prime is 2320909. The next prime is 2320933. The reversal of 2320918 is 8190232.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2320892 and 2320901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580228 + ... + 580231.

It is an arithmetic number, because the mean of its divisors is an integer number (870345).

2^2320918 is an apocalyptic number.

2320918 is a deficient number, since it is larger than the sum of its proper divisors (1160462).

2320918 is a wasteful number, since it uses less digits than its factorization.

2320918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160461.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2320918 is about 1523.4559396320. The cubic root of 2320918 is about 132.3995774030.

The spelling of 2320918 in words is "two million, three hundred twenty thousand, nine hundred eighteen".