18814632 has 32 divisors (see below), whose sum is σ = 47148480. Its totient is φ = 6256640.

The previous prime is 18814619. The next prime is 18814633. The reversal of 18814632 is 23641881.

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 = 18814593 and 18814602.

It is not an unprimeable number, because it can be changed into a prime (18814633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14773 + ... + 15995.

It is an arithmetic number, because the mean of its divisors is an integer number (1473390).

Almost surely, 2^18814632 is an apocalyptic number.

18814632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18814632 is an abundant number, since it is smaller than the sum of its proper divisors (28333848).

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

18814632 is a wasteful number, since it uses less digits than its factorization.

18814632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1869 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 18814632 is about 4337.5836591356. The cubic root of 18814632 is about 265.9695444431.

The spelling of 18814632 in words is "eighteen million, eight hundred fourteen thousand, six hundred thirty-two".