111406684 has 24 divisors (see below), whose sum is σ = 201737088. Its totient is φ = 53776320.

The previous prime is 111406681. The next prime is 111406699. The reversal of 111406684 is 486604111.

It is a super-2 number, since 2×111406684² = 24822898479751712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111406681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68262 + ... + 69874.

It is an arithmetic number, because the mean of its divisors is an integer number (8405712).

Almost surely, 2^111406684 is an apocalyptic number.

It is an amenable number.

111406684 is a deficient number, since it is larger than the sum of its proper divisors (90330404).

111406684 is a wasteful number, since it uses less digits than its factorization.

111406684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 111406684 is about 10554.9364754128. The cubic root of 111406684 is about 481.1757691996.

The spelling of 111406684 in words is "one hundred eleven million, four hundred six thousand, six hundred eighty-four".