1118394382 has 8 divisors (see below), whose sum is σ = 1917247536. Its totient is φ = 479311872.

The previous prime is 1118394377. The next prime is 1118394437. The reversal of 1118394382 is 2834938111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39942643 + ... + 39942670.

It is an arithmetic number, because the mean of its divisors is an integer number (239655942).

Almost surely, 2^1118394382 is an apocalyptic number.

1118394382 is a deficient number, since it is larger than the sum of its proper divisors (798853154).

1118394382 is an equidigital number, since it uses as much as digits as its factorization.

1118394382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79885322.

The product of its digits is 41472, while the sum is 40.

The square root of 1118394382 is about 33442.4039506732. The cubic root of 1118394382 is about 1038.0023233947.

The spelling of 1118394382 in words is "one billion, one hundred eighteen million, three hundred ninety-four thousand, three hundred eighty-two".