18481832 has 16 divisors (see below), whose sum is σ = 36477600. Its totient is φ = 8754480.

The previous prime is 18481831. The next prime is 18481843. The reversal of 18481832 is 23818481.

It is a super-2 number, since 2×18481832² = 683156228152448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18481792 and 18481801.

It is not an unprimeable number, because it can be changed into a prime (18481831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60644 + ... + 60947.

It is an arithmetic number, because the mean of its divisors is an integer number (2279850).

Almost surely, 2^18481832 is an apocalyptic number.

It is an amenable number.

18481832 is a deficient number, since it is larger than the sum of its proper divisors (17995768).

18481832 is a wasteful number, since it uses less digits than its factorization.

18481832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121616 (or 121612 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 18481832 is about 4299.0501276445. The cubic root of 18481832 is about 264.3920178431.

The spelling of 18481832 in words is "eighteen million, four hundred eighty-one thousand, eight hundred thirty-two".