18252634 has 8 divisors (see below), whose sum is σ = 27725760. Its totient is φ = 9010716.

The previous prime is 18252607. The next prime is 18252643. The reversal of 18252634 is 43625281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18252596 and 18252605.

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 in 3 ways as a sum of consecutive naturals, for example, 57604 + ... + 57919.

It is an arithmetic number, because the mean of its divisors is an integer number (3465720).

Almost surely, 2^18252634 is an apocalyptic number.

18252634 is a deficient number, since it is larger than the sum of its proper divisors (9473126).

18252634 is a wasteful number, since it uses less digits than its factorization.

18252634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115604.

The product of its digits is 11520, while the sum is 31.

The square root of 18252634 is about 4272.3101479176. The cubic root of 18252634 is about 263.2945371819.

The spelling of 18252634 in words is "eighteen million, two hundred fifty-two thousand, six hundred thirty-four".