18753964 has 12 divisors (see below), whose sum is σ = 33029584. Its totient is φ = 9316944.

The previous prime is 18753949. The next prime is 18753979. The reversal of 18753964 is 46935781.

It is an interprime number because it is at equal distance from previous prime (18753949) and next prime (18753979).

It is a super-2 number, since 2×18753964² = 703422331426592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18753964.

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, 14304 + ... + 15559.

Almost surely, 2^18753964 is an apocalyptic number.

It is an amenable number.

18753964 is a deficient number, since it is larger than the sum of its proper divisors (14275620).

18753964 is a wasteful number, since it uses less digits than its factorization.

18753964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024 (or 30022 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 18753964 is about 4330.5847180260. The cubic root of 18753964 is about 265.6833626590.

The spelling of 18753964 in words is "eighteen million, seven hundred fifty-three thousand, nine hundred sixty-four".