18479264 has 24 divisors (see below), whose sum is σ = 37637460. Its totient is φ = 8920576.

The previous prime is 18479261. The next prime is 18479269. The reversal of 18479264 is 46297481.

It can be written as a sum of positive squares in 2 ways, for example, as 16810000 + 1669264 = 4100^2 + 1292^2 .

It is not an unprimeable number, because it can be changed into a prime (18479261) 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 in 3 ways as a sum of consecutive naturals, for example, 9029 + ... + 10884.

Almost surely, 2^18479264 is an apocalyptic number.

It is an amenable number.

18479264 is an abundant number, since it is smaller than the sum of its proper divisors (19158196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18479264 is a wasteful number, since it uses less digits than its factorization.

18479264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952 (or 19944 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 18479264 is about 4298.7514466412. The cubic root of 18479264 is about 264.3797717601.

It can be divided in two parts, 1847 and 9264, that added together give a palindrome (11111).

The spelling of 18479264 in words is "eighteen million, four hundred seventy-nine thousand, two hundred sixty-four".