18430952 has 16 divisors (see below), whose sum is σ = 34621440. Its totient is φ = 9198576.

The previous prime is 18430943. The next prime is 18431011. The reversal of 18430952 is 25903481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353 + ... + 6935.

It is an arithmetic number, because the mean of its divisors is an integer number (2163840).

Almost surely, 2^18430952 is an apocalyptic number.

It is an amenable number.

18430952 is a deficient number, since it is larger than the sum of its proper divisors (16190488).

18430952 is a wasteful number, since it uses less digits than its factorization.

18430952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 18430952 is about 4293.1284630209. The cubic root of 18430952 is about 264.1491734224.

The spelling of 18430952 in words is "eighteen million, four hundred thirty thousand, nine hundred fifty-two".