18370252 has 6 divisors (see below), whose sum is σ = 32147948. Its totient is φ = 9185124.

The previous prime is 18370243. The next prime is 18370267. The reversal of 18370252 is 25207381.

It is a self number, because there is not a number n which added to its sum of digits gives 18370252.

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, 2296278 + ... + 2296285.

Almost surely, 2^18370252 is an apocalyptic number.

It is an amenable number.

18370252 is a deficient number, since it is larger than the sum of its proper divisors (13777696).

18370252 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 18370252 = (37508221)₉.

18370252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592567 (or 4592565 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 18370252 is about 4286.0531961234. The cubic root of 18370252 is about 263.8588739138.

The spelling of 18370252 in words is "eighteen million, three hundred seventy thousand, two hundred fifty-two".