18250304 has 14 divisors (see below), whose sum is σ = 36215574. Its totient is φ = 9125120.

The previous prime is 18250301. The next prime is 18250321. The reversal of 18250304 is 40305281.

It can be written as a sum of positive squares in only one way, i.e., 14440000 + 3810304 = 3800^2 + 1952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18250304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18250301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142517 + ... + 142644.

Almost surely, 2^18250304 is an apocalyptic number.

It is an amenable number.

18250304 is a deficient number, since it is larger than the sum of its proper divisors (17965270).

18250304 is an equidigital number, since it uses as much as digits as its factorization.

18250304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285173 (or 285163 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18250304 is about 4272.0374530193. The cubic root of 18250304 is about 263.2833332761.

Adding to 18250304 its reverse (40305281), we get a palindrome (58555585).

The spelling of 18250304 in words is "eighteen million, two hundred fifty thousand, three hundred four".