18465432 has 32 divisors (see below), whose sum is σ = 46924080. Its totient is φ = 6053760.

The previous prime is 18465413. The next prime is 18465449. The reversal of 18465432 is 23456481.

It is a junction number, because it is equal to n+sod(n) for n = 18465393 and 18465402.

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, 4843 + ... + 7770.

Almost surely, 2^18465432 is an apocalyptic number.

18465432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18465432 is an abundant number, since it is smaller than the sum of its proper divisors (28458648).

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

18465432 is a wasteful number, since it uses less digits than its factorization.

18465432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683 (or 12679 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 18465432 is about 4297.1423062310. The cubic root of 18465432 is about 264.3137912499.

The spelling of 18465432 in words is "eighteen million, four hundred sixty-five thousand, four hundred thirty-two".