18434832 has 80 divisors (see below), whose sum is σ = 52996608. Its totient is φ = 5483520.

The previous prime is 18434827. The next prime is 18434833. The reversal of 18434832 is 23843481.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 18434793 and 18434802.

It is not an unprimeable number, because it can be changed into a prime (18434833) 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, 18868 + ... + 19820.

Almost surely, 2^18434832 is an apocalyptic number.

18434832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18434832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26498304).

18434832 is an abundant number, since it is smaller than the sum of its proper divisors (34561776).

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

18434832 is a wasteful number, since it uses less digits than its factorization.

18434832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1002 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 18434832 is about 4293.5803241584. The cubic root of 18434832 is about 264.1677079485.

The spelling of 18434832 in words is "eighteen million, four hundred thirty-four thousand, eight hundred thirty-two".