111649338 has 12 divisors (see below), whose sum is σ = 241906938. Its totient is φ = 37216440.

The previous prime is 111649331. The next prime is 111649361. The reversal of 111649338 is 833946111.

111649338 is a `hidden beast` number, since 1 + 1 + 1 + 649 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74597769 + 37051569 = 8637^2 + 6087^2 .

It is not an unprimeable number, because it can be changed into a prime (111649331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3101353 + ... + 3101388.

Almost surely, 2^111649338 is an apocalyptic number.

111649338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111649338 is an abundant number, since it is smaller than the sum of its proper divisors (130257600).

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

111649338 is a wasteful number, since it uses less digits than its factorization.

111649338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202749 (or 6202746 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 111649338 is about 10566.4250340406. The cubic root of 111649338 is about 481.5248642226.

It can be divided in two parts, 11164 and 9338, that added together give a palindrome (20502).

The spelling of 111649338 in words is "one hundred eleven million, six hundred forty-nine thousand, three hundred thirty-eight".