18532804 has 6 divisors (see below), whose sum is σ = 32432414. Its totient is φ = 9266400.

The previous prime is 18532799. The next prime is 18532807. The reversal of 18532804 is 40823581.

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 25600 = 4302^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (18532807) by changing a digit.

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, 2316597 + ... + 2316604.

Almost surely, 2^18532804 is an apocalyptic number.

It is an amenable number.

18532804 is a deficient number, since it is larger than the sum of its proper divisors (13899610).

18532804 is a wasteful number, since it uses less digits than its factorization.

18532804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633205 (or 4633203 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 18532804 is about 4304.9743320954. The cubic root of 18532804 is about 264.6348548740.

The spelling of 18532804 in words is "eighteen million, five hundred thirty-two thousand, eight hundred four".