381118 has 8 divisors (see below), whose sum is σ = 591480. Its totient is φ = 183960.

The previous prime is 381103. The next prime is 381167. The reversal of 381118 is 811183.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3228 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (73935).

2³⁸¹¹¹⁸ is an apocalyptic number.

381118 is a deficient number, since it is larger than the sum of its proper divisors (210362).

381118 is a wasteful number, since it uses less digits than its factorization.

381118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602.

The product of its digits is 192, while the sum is 22.

The square root of 381118 is about 617.3475520321. The cubic root of 381118 is about 72.5025286474.

It can be divided in two parts, 38 and 1118, that added together give a square (1156 = 34²).

The spelling of 381118 in words is "three hundred eighty-one thousand, one hundred eighteen".