2320018 has 4 divisors (see below), whose sum is σ = 3480030. Its totient is φ = 1160008.

The previous prime is 2320001. The next prime is 2320039. The reversal of 2320018 is 8100232.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 61009 = 1503^2 + 247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2319983 and 2320010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580003 + ... + 580006.

2^2320018 is an apocalyptic number.

2320018 is a deficient number, since it is larger than the sum of its proper divisors (1160012).

2320018 is a wasteful number, since it uses less digits than its factorization.

2320018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160011.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2320018 is about 1523.1605299508. The cubic root of 2320018 is about 132.3824613272.

The spelling of 2320018 in words is "two million, three hundred twenty thousand, eighteen".