18360963 has 6 divisors (see below), whose sum is σ = 26521404. Its totient is φ = 12240636.

The previous prime is 18360931. The next prime is 18360971. The reversal of 18360963 is 36906381.

It is a happy number.

It is not a de Polignac number, because 18360963 - 2⁵ = 18360931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18360913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020045 + ... + 1020062.

It is an arithmetic number, because the mean of its divisors is an integer number (4420234).

Almost surely, 2^18360963 is an apocalyptic number.

18360963 is a deficient number, since it is larger than the sum of its proper divisors (8160441).

18360963 is a wasteful number, since it uses less digits than its factorization.

18360963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040113 (or 2040110 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 18360963 is about 4284.9694281290. The cubic root of 18360963 is about 263.8143926094.

The spelling of 18360963 in words is "eighteen million, three hundred sixty thousand, nine hundred sixty-three".