18825968 has 20 divisors (see below), whose sum is σ = 41686320. Its totient is φ = 8068224.

The previous prime is 18825949. The next prime is 18825973. The reversal of 18825968 is 86952881.

It is a super-3 number, since 3×18825968³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 83933 + ... + 84156.

It is an arithmetic number, because the mean of its divisors is an integer number (2084316).

Almost surely, 2^18825968 is an apocalyptic number.

It is an amenable number.

18825968 is an abundant number, since it is smaller than the sum of its proper divisors (22860352).

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

18825968 is a wasteful number, since it uses less digits than its factorization.

18825968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168104 (or 168098 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 18825968 is about 4338.8901806798. The cubic root of 18825968 is about 266.0229501370.

The spelling of 18825968 in words is "eighteen million, eight hundred twenty-five thousand, nine hundred sixty-eight".