18306352 has 10 divisors (see below), whose sum is σ = 35468588. Its totient is φ = 9153168.

The previous prime is 18306349. The next prime is 18306383. The reversal of 18306352 is 25360381.

It is a self number, because there is not a number n which added to its sum of digits gives 18306352.

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, 572058 + ... + 572089.

Almost surely, 2^18306352 is an apocalyptic number.

It is an amenable number.

18306352 is a deficient number, since it is larger than the sum of its proper divisors (17162236).

18306352 is a wasteful number, since it uses less digits than its factorization.

18306352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144155 (or 1144149 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 18306352 is about 4278.5922918642. The cubic root of 18306352 is about 263.5525785425.

The spelling of 18306352 in words is "eighteen million, three hundred six thousand, three hundred fifty-two".