18896948 has 36 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 7972272.

The previous prime is 18896947. The next prime is 18896959. The reversal of 18896948 is 84969881.

It is a self number, because there is not a number n which added to its sum of digits gives 18896948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18896947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12413 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 2^18896948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18896948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19535040).

18896948 is an abundant number, since it is smaller than the sum of its proper divisors (20173132).

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

18896948 is a wasteful number, since it uses less digits than its factorization.

18896948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1515 counting only the distinct ones).

The product of its digits is 995328, while the sum is 53.

The square root of 18896948 is about 4347.0619963373. The cubic root of 18896948 is about 266.3568617456.

The spelling of 18896948 in words is "eighteen million, eight hundred ninety-six thousand, nine hundred forty-eight".