18483944 has 8 divisors (see below), whose sum is σ = 34657410. Its totient is φ = 9241968.

The previous prime is 18483943. The next prime is 18484003. The reversal of 18483944 is 44938481.

It can be written as a sum of positive squares in only one way, i.e., 13912900 + 4571044 = 3730^2 + 2138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18483943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155239 + ... + 1155254.

Almost surely, 2^18483944 is an apocalyptic number.

It is an amenable number.

18483944 is a deficient number, since it is larger than the sum of its proper divisors (16173466).

18483944 is a wasteful number, since it uses less digits than its factorization.

18483944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310499 (or 2310495 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 18483944 is about 4299.2957562838. The cubic root of 18483944 is about 264.4020885380.

The spelling of 18483944 in words is "eighteen million, four hundred eighty-three thousand, nine hundred forty-four".