111894084 has 81 divisors (see below), whose sum is σ = 296809149. Its totient is φ = 35542080.

The previous prime is 111894071. The next prime is 111894089. The reversal of 111894084 is 480498111.

The square root of 111894084 is 10578.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 106502400 = 2322^2 + 10320^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (111894089) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2602167 + ... + 2602209.

Almost surely, 2^111894084 is an apocalyptic number.

111894084 is the 10578-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111894084

111894084 is an abundant number, since it is smaller than the sum of its proper divisors (184915065).

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

111894084 is a wasteful number, since it uses less digits than its factorization.

111894084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The cubic root of 111894084 is about 481.8764569190.

Multiplying 111894084 by its sum of digits (36), we get a square (4028187024 = 63468²).

111894084 divided by its sum of digits (36) gives a square (3108169 = 1763²).

Multiplying 111894084 by its product of nonzero digits (9216), we get a square (1031215878144 = 1015488²).

The spelling of 111894084 in words is "one hundred eleven million, eight hundred ninety-four thousand, eighty-four".