18354308 has 12 divisors (see below), whose sum is σ = 36708672. Its totient is φ = 7866120.

The previous prime is 18354269. The next prime is 18354313. The reversal of 18354308 is 80345381.

It is a happy number.

18354308 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327728 + ... + 327783.

It is an arithmetic number, because the mean of its divisors is an integer number (3059056).

Almost surely, 2^18354308 is an apocalyptic number.

It is an amenable number.

18354308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18354308 is a wasteful number, since it uses less digits than its factorization.

18354308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655522 (or 655520 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 18354308 is about 4284.1928061188. The cubic root of 18354308 is about 263.7825152519.

Adding to 18354308 its reverse (80345381), we get a palindrome (98699689).

The spelling of 18354308 in words is "eighteen million, three hundred fifty-four thousand, three hundred eight".