18489052 has 24 divisors (see below), whose sum is σ = 34576640. Its totient is φ = 8624880.

The previous prime is 18489017. The next prime is 18489059. The reversal of 18489052 is 25098481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18489059) 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, 3277 + ... + 6907.

Almost surely, 2^18489052 is an apocalyptic number.

It is an amenable number.

18489052 is a deficient number, since it is larger than the sum of its proper divisors (16087588).

18489052 is a wasteful number, since it uses less digits than its factorization.

18489052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 18489052 is about 4299.8897660289. The cubic root of 18489052 is about 264.4264419531.

The spelling of 18489052 in words is "eighteen million, four hundred eighty-nine thousand, fifty-two".