18934968 has 32 divisors (see below), whose sum is σ = 50979600. Its totient is φ = 5826048.

The previous prime is 18934967. The next prime is 18934969. The reversal of 18934968 is 86943981.

It is an interprime number because it is at equal distance from previous prime (18934967) and next prime (18934969).

It is a super-3 number, since 3×18934968³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18934967) 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 7 ways as a sum of consecutive naturals, for example, 30033 + ... + 30656.

Almost surely, 2^18934968 is an apocalyptic number.

It is an amenable number.

18934968 is an abundant number, since it is smaller than the sum of its proper divisors (32044632).

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

18934968 is a wasteful number, since it uses less digits than its factorization.

18934968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60711 (or 60707 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 18934968 is about 4351.4328674587. The cubic root of 18934968 is about 266.5353756484.

The spelling of 18934968 in words is "eighteen million, nine hundred thirty-four thousand, nine hundred sixty-eight".