381297 has 16 divisors (see below), whose sum is σ = 591872. Its totient is φ = 213840.

The previous prime is 381289. The next prime is 381301. The reversal of 381297 is 792183.

It is a happy number.

It is not a de Polignac number, because 381297 - 2³ = 381289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381287) 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, 1272 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (36992).

2³⁸¹²⁹⁷ is an apocalyptic number.

It is an amenable number.

381297 is a deficient number, since it is larger than the sum of its proper divisors (210575).

381297 is a wasteful number, since it uses less digits than its factorization.

381297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 3024, while the sum is 30.

The square root of 381297 is about 617.4925100760. The cubic root of 381297 is about 72.5138776447.

The spelling of 381297 in words is "three hundred eighty-one thousand, two hundred ninety-seven".