18853746 has 16 divisors (see below), whose sum is σ = 37761024. Its totient is φ = 6275664.

The previous prime is 18853729. The next prime is 18853759. The reversal of 18853746 is 64735881.

It is a junction number, because it is equal to n+sod(n) for n = 18853698 and 18853707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (2360064).

Almost surely, 2^18853746 is an apocalyptic number.

18853746 is an abundant number, since it is smaller than the sum of its proper divisors (18907278).

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

18853746 is a wasteful number, since it uses less digits than its factorization.

18853746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its digits is 161280, while the sum is 42.

The square root of 18853746 is about 4342.0900497341. The cubic root of 18853746 is about 266.1537261304.

The spelling of 18853746 in words is "eighteen million, eight hundred fifty-three thousand, seven hundred forty-six".