18983332 has 6 divisors (see below), whose sum is σ = 33220838. Its totient is φ = 9491664.

The previous prime is 18983317. The next prime is 18983333. The reversal of 18983332 is 23338981.

It can be written as a sum of positive squares in only one way, i.e., 17089956 + 1893376 = 4134^2 + 1376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18983291 and 18983300.

It is not an unprimeable number, because it can be changed into a prime (18983333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372913 + ... + 2372920.

Almost surely, 2^18983332 is an apocalyptic number.

It is an amenable number.

18983332 is a deficient number, since it is larger than the sum of its proper divisors (14237506).

18983332 is a wasteful number, since it uses less digits than its factorization.

18983332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745837 (or 4745835 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 18983332 is about 4356.9865733096. The cubic root of 18983332 is about 266.7621123616.

It can be divided in two parts, 189 and 83332, that added together give a 4-th power (83521 = 17⁴).

The spelling of 18983332 in words is "eighteen million, nine hundred eighty-three thousand, three hundred thirty-two".