18480363 has 16 divisors (see below), whose sum is σ = 27146496. Its totient is φ = 11089440.

The previous prime is 18480361. The next prime is 18480367. The reversal of 18480363 is 36308481.

It is not a de Polignac number, because 18480363 - 2¹ = 18480361 is a prime.

It is a super-2 number, since 2×18480363² = 683047633223538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (18480361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (1696656).

Almost surely, 2^18480363 is an apocalyptic number.

18480363 is a deficient number, since it is larger than the sum of its proper divisors (8666133).

18480363 is a wasteful number, since it uses less digits than its factorization.

18480363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 18480363 is about 4298.8792725547. The cubic root of 18480363 is about 264.3850127265.

The spelling of 18480363 in words is "eighteen million, four hundred eighty thousand, three hundred sixty-three".