381337 has 4 divisors (see below), whose sum is σ = 416016. Its totient is φ = 346660.

The previous prime is 381323. The next prime is 381343. The reversal of 381337 is 733183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733183 = 11 ⋅66653.

It is a cyclic number.

It is not a de Polignac number, because 381337 - 2⁷ = 381209 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381337.

It is not an unprimeable number, because it can be changed into a prime (381347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17323 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (104004).

2³⁸¹³³⁷ is an apocalyptic number.

It is an amenable number.

381337 is a deficient number, since it is larger than the sum of its proper divisors (34679).

381337 is a wasteful number, since it uses less digits than its factorization.

381337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34678.

The product of its digits is 1512, while the sum is 25.

The square root of 381337 is about 617.5248982835. The cubic root of 381337 is about 72.5164132479.

The spelling of 381337 in words is "three hundred eighty-one thousand, three hundred thirty-seven".