381190 has 8 divisors (see below), whose sum is σ = 686160. Its totient is φ = 152472.

The previous prime is 381181. The next prime is 381209. The reversal of 381190 is 91183.

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

It is a super-2 number, since 2×381190² = 290611632200, which contains 22 as substring.

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, 19050 + ... + 19069.

It is an arithmetic number, because the mean of its divisors is an integer number (85770).

2³⁸¹¹⁹⁰ is an apocalyptic number.

381190 is a deficient number, since it is larger than the sum of its proper divisors (304970).

381190 is a wasteful number, since it uses less digits than its factorization.

381190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38126.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 381190 is about 617.4058632699. The cubic root of 381190 is about 72.5070940343.

It can be divided in two parts, 381 and 190, that multiplied together give a triangular number (72390 = T₃₈₀).

The spelling of 381190 in words is "three hundred eighty-one thousand, one hundred ninety".