111984492 has 24 divisors (see below), whose sum is σ = 261754416. Its totient is φ = 37262848.

The previous prime is 111984487. The next prime is 111984497. The reversal of 111984492 is 294489111.

It is an interprime number because it is at equal distance from previous prime (111984487) and next prime (111984497).

It is a self number, because there is not a number n which added to its sum of digits gives 111984492.

It is not an unprimeable number, because it can be changed into a prime (111984497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (10906434).

Almost surely, 2^111984492 is an apocalyptic number.

111984492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111984492 is an abundant number, since it is smaller than the sum of its proper divisors (149769924).

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

111984492 is a wasteful number, since it uses less digits than its factorization.

111984492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337 (or 16335 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 111984492 is about 10582.2725347630. The cubic root of 111984492 is about 482.0062038996.

The spelling of 111984492 in words is "one hundred eleven million, nine hundred eighty-four thousand, four hundred ninety-two".