381046 has 4 divisors (see below), whose sum is σ = 571572. Its totient is φ = 190522.

The previous prime is 381037. The next prime is 381047. The reversal of 381046 is 640183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640183 = 199 ⋅3217.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95260 + ... + 95263.

It is an arithmetic number, because the mean of its divisors is an integer number (142893).

2³⁸¹⁰⁴⁶ is an apocalyptic number.

381046 is a deficient number, since it is larger than the sum of its proper divisors (190526).

381046 is a wasteful number, since it uses less digits than its factorization.

381046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190525.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 381046 is about 617.2892352860. The cubic root of 381046 is about 72.4979626855.

The spelling of 381046 in words is "three hundred eighty-one thousand, forty-six".