18896732 has 12 divisors (see below), whose sum is σ = 34136256. Its totient is φ = 9143520.

The previous prime is 18896729. The next prime is 18896743. The reversal of 18896732 is 23769881.

It is a congruent number.

It is an unprimeable number.

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, 76073 + ... + 76320.

It is an arithmetic number, because the mean of its divisors is an integer number (2844688).

Almost surely, 2^18896732 is an apocalyptic number.

It is an amenable number.

18896732 is a deficient number, since it is larger than the sum of its proper divisors (15239524).

18896732 is a wasteful number, since it uses less digits than its factorization.

18896732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152428 (or 152426 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 18896732 is about 4347.0371519001. The cubic root of 18896732 is about 266.3558468850.

The spelling of 18896732 in words is "eighteen million, eight hundred ninety-six thousand, seven hundred thirty-two".