18504652 has 12 divisors (see below), whose sum is σ = 33072480. Its totient is φ = 9055376.

The previous prime is 18504649. The next prime is 18504677. The reversal of 18504652 is 25640581.

It is a super-2 number, since 2×18504652² = 684844291282208, which contains 22 as substring.

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, 49027 + ... + 49402.

It is an arithmetic number, because the mean of its divisors is an integer number (2756040).

Almost surely, 2^18504652 is an apocalyptic number.

It is an amenable number.

18504652 is a deficient number, since it is larger than the sum of its proper divisors (14567828).

18504652 is a wasteful number, since it uses less digits than its factorization.

18504652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98480 (or 98478 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 18504652 is about 4301.7033835447. The cubic root of 18504652 is about 264.5007903274.

The spelling of 18504652 in words is "eighteen million, five hundred four thousand, six hundred fifty-two".