18674232 has 48 divisors (see below), whose sum is σ = 47754840. Its totient is φ = 6085248.

The previous prime is 18674219. The next prime is 18674239. The reversal of 18674232 is 23247681.

It is a junction number, because it is equal to n+sod(n) for n = 18674193 and 18674202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18674239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67278 + ... + 67554.

Almost surely, 2^18674232 is an apocalyptic number.

18674232 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 18674232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23877420).

18674232 is an abundant number, since it is smaller than the sum of its proper divisors (29080608).

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

18674232 is a wasteful number, since it uses less digits than its factorization.

18674232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 335 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 18674232 is about 4321.3692274556. The cubic root of 18674232 is about 265.3063124649.

The spelling of 18674232 in words is "eighteen million, six hundred seventy-four thousand, two hundred thirty-two".