18798964 has 12 divisors (see below), whose sum is σ = 33036388. Its totient is φ = 9360000.

The previous prime is 18798943. The next prime is 18798971. The reversal of 18798964 is 46989781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12194064 + 6604900 = 3492^2 + 2570^2 .

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, 8787 + ... + 10714.

Almost surely, 2^18798964 is an apocalyptic number.

It is an amenable number.

18798964 is a deficient number, since it is larger than the sum of its proper divisors (14237424).

18798964 is a wasteful number, since it uses less digits than its factorization.

18798964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746 (or 19744 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 18798964 is about 4335.7772082984. Note that the first 3 decimals coincide. The cubic root of 18798964 is about 265.8956946841.

The spelling of 18798964 in words is "eighteen million, seven hundred ninety-eight thousand, nine hundred sixty-four".