18625948 has 48 divisors (see below), whose sum is σ = 38725344. Its totient is φ = 7741440.

The previous prime is 18625939. The next prime is 18625951. The reversal of 18625948 is 84952681.

It is a happy number.

It is a super-3 number, since 3×18625948³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27340 + ... + 28012.

It is an arithmetic number, because the mean of its divisors is an integer number (806778).

Almost surely, 2^18625948 is an apocalyptic number.

It is an amenable number.

18625948 is an abundant number, since it is smaller than the sum of its proper divisors (20099396).

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

18625948 is a wasteful number, since it uses less digits than its factorization.

18625948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 740 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 18625948 is about 4315.7789563415. The cubic root of 18625948 is about 265.0774568880.

The spelling of 18625948 in words is "eighteen million, six hundred twenty-five thousand, nine hundred forty-eight".