18835044 has 24 divisors (see below), whose sum is σ = 44055648. Its totient is φ = 6263040.

The previous prime is 18835043. The next prime is 18835051. The reversal of 18835044 is 44053881.

It is a junction number, because it is equal to n+sod(n) for n = 18834996 and 18835014.

It is not an unprimeable number, because it can be changed into a prime (18835043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (1835652).

Almost surely, 2^18835044 is an apocalyptic number.

It is an amenable number.

18835044 is an abundant number, since it is smaller than the sum of its proper divisors (25220604).

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

18835044 is a wasteful number, since it uses less digits than its factorization.

18835044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 18835044 is about 4339.9359442277. The cubic root of 18835044 is about 266.0656931609.

The spelling of 18835044 in words is "eighteen million, eight hundred thirty-five thousand, forty-four".