111382838 has 8 divisors (see below), whose sum is σ = 190942032. Its totient is φ = 47735496.

The previous prime is 111382837. The next prime is 111382853. The reversal of 111382838 is 838283111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111382838² = 24812273201868488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111382798 and 111382807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111382837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977945 + ... + 3977972.

It is an arithmetic number, because the mean of its divisors is an integer number (23867754).

Almost surely, 2^111382838 is an apocalyptic number.

111382838 is a deficient number, since it is larger than the sum of its proper divisors (79559194).

111382838 is an equidigital number, since it uses as much as digits as its factorization.

111382838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955926.

The product of its digits is 9216, while the sum is 35.

The square root of 111382838 is about 10553.8068013395. The cubic root of 111382838 is about 481.1414357235.

The spelling of 111382838 in words is "one hundred eleven million, three hundred eighty-two thousand, eight hundred thirty-eight".