381017 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 292032.

The previous prime is 381011. The next prime is 381019. The reversal of 381017 is 710183.

It is not a de Polignac number, because 381017 - 2⁴ = 381001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381017.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381017.

It is not an unprimeable number, because it can be changed into a prime (381011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4784 + ... + 4862.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³⁸¹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

381017 is a deficient number, since it is larger than the sum of its proper divisors (102823).

381017 is a wasteful number, since it uses less digits than its factorization.

381017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 381017 is about 617.2657450402. The cubic root of 381017 is about 72.4961234550.

The spelling of 381017 in words is "three hundred eighty-one thousand, seventeen".