18769964 has 12 divisors (see below), whose sum is σ = 33648888. Its totient is φ = 9156000.

The previous prime is 18769951. The next prime is 18769969. The reversal of 18769964 is 46996781.

It is a super-3 number, since 3×18769964³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (18769969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57062 + ... + 57389.

It is an arithmetic number, because the mean of its divisors is an integer number (2804074).

Almost surely, 2^18769964 is an apocalyptic number.

It is an amenable number.

18769964 is a deficient number, since it is larger than the sum of its proper divisors (14878924).

18769964 is a wasteful number, since it uses less digits than its factorization.

18769964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114496 (or 114494 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 18769964 is about 4332.4316497782. The cubic root of 18769964 is about 265.7588973651.

The spelling of 18769964 in words is "eighteen million, seven hundred sixty-nine thousand, nine hundred sixty-four".