18230692 has 6 divisors (see below), whose sum is σ = 31903718. Its totient is φ = 9115344.

The previous prime is 18230687. The next prime is 18230711. The reversal of 18230692 is 29603281.

It can be written as a sum of positive squares in only one way, i.e., 16451136 + 1779556 = 4056^2 + 1334^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278833 + ... + 2278840.

Almost surely, 2^18230692 is an apocalyptic number.

It is an amenable number.

18230692 is a deficient number, since it is larger than the sum of its proper divisors (13673026).

18230692 is a wasteful number, since it uses less digits than its factorization.

18230692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557677 (or 4557675 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 18230692 is about 4269.7414441626. The cubic root of 18230692 is about 263.1889903101.

The spelling of 18230692 in words is "eighteen million, two hundred thirty thousand, six hundred ninety-two".