18606044 has 6 divisors (see below), whose sum is σ = 32560584. Its totient is φ = 9303020.

The previous prime is 18606043. The next prime is 18606053. The reversal of 18606044 is 44060681.

It is a junction number, because it is equal to n+sod(n) for n = 18605998 and 18606016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18606043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325752 + ... + 2325759.

It is an arithmetic number, because the mean of its divisors is an integer number (5426764).

Almost surely, 2^18606044 is an apocalyptic number.

It is an amenable number.

18606044 is a deficient number, since it is larger than the sum of its proper divisors (13954540).

18606044 is a wasteful number, since it uses less digits than its factorization.

18606044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651515 (or 4651513 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18606044 is about 4313.4723831271. The cubic root of 18606044 is about 264.9830011643.

The spelling of 18606044 in words is "eighteen million, six hundred six thousand, forty-four".