18454804 has 6 divisors (see below), whose sum is σ = 32295914. Its totient is φ = 9227400.

The previous prime is 18454781. The next prime is 18454837. The reversal of 18454804 is 40845481.

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 898704 = 4190^2 + 948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18454804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306847 + ... + 2306854.

Almost surely, 2^18454804 is an apocalyptic number.

It is an amenable number.

18454804 is a deficient number, since it is larger than the sum of its proper divisors (13841110).

18454804 is a wasteful number, since it uses less digits than its factorization.

18454804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613705 (or 4613703 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 18454804 is about 4295.9054924428. The cubic root of 18454804 is about 264.2630718645.

The spelling of 18454804 in words is "eighteen million, four hundred fifty-four thousand, eight hundred four".