18496844 has 6 divisors (see below), whose sum is σ = 32369484. Its totient is φ = 9248420.

The previous prime is 18496831. The next prime is 18496859. The reversal of 18496844 is 44869481.

It is a junction number, because it is equal to n+sod(n) for n = 18496795 and 18496804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312102 + ... + 2312109.

It is an arithmetic number, because the mean of its divisors is an integer number (5394914).

Almost surely, 2^18496844 is an apocalyptic number.

It is an amenable number.

18496844 is a deficient number, since it is larger than the sum of its proper divisors (13872640).

18496844 is a wasteful number, since it uses less digits than its factorization.

18496844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624215 (or 4624213 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 18496844 is about 4300.7957403253. The cubic root of 18496844 is about 264.4635832382.

The spelling of 18496844 in words is "eighteen million, four hundred ninety-six thousand, eight hundred forty-four".