18434332 has 24 divisors (see below), whose sum is σ = 38810240. Its totient is φ = 7484400.

The previous prime is 18434329. The next prime is 18434347. The reversal of 18434332 is 23343481.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 18434332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16794 + ... + 17857.

Almost surely, 2^18434332 is an apocalyptic number.

It is an amenable number.

18434332 is an abundant number, since it is smaller than the sum of its proper divisors (20375908).

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

18434332 is a wasteful number, since it uses less digits than its factorization.

18434332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34681 (or 34679 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 18434332 is about 4293.5220972996. The cubic root of 18434332 is about 264.1653196246.

The spelling of 18434332 in words is "eighteen million, four hundred thirty-four thousand, three hundred thirty-two".