18049032 has 24 divisors (see below), whose sum is σ = 48882990. Its totient is φ = 6016320.

The previous prime is 18049021. The next prime is 18049079. The reversal of 18049032 is 23094081.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 2414916 = 3954^2 + 1554^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×18049032² = 651535112274048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18048987 and 18049005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125269 + ... + 125412.

Almost surely, 2^18049032 is an apocalyptic number.

18049032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18049032 is an abundant number, since it is smaller than the sum of its proper divisors (30833958).

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

18049032 is a wasteful number, since it uses less digits than its factorization.

18049032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250693 (or 250686 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 18049032 is about 4248.4152339431. The cubic root of 18049032 is about 262.3118869952.

The spelling of 18049032 in words is "eighteen million, forty-nine thousand, thirty-two".