18670468 has 18 divisors (see below), whose sum is σ = 33399086. Its totient is φ = 9132288.

The previous prime is 18670447. The next prime is 18670507. The reversal of 18670468 is 86407681.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 9048064 = 3102^2 + 3008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18670468.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 7780 + ... + 9892.

Almost surely, 2^18670468 is an apocalyptic number.

It is an amenable number.

18670468 is a deficient number, since it is larger than the sum of its proper divisors (14728618).

18670468 is a wasteful number, since it uses less digits than its factorization.

18670468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18670468 is about 4320.9336953950. The cubic root of 18670468 is about 265.2884861171.

The spelling of 18670468 in words is "eighteen million, six hundred seventy thousand, four hundred sixty-eight".