381333 has 8 divisors (see below), whose sum is σ = 515200. Its totient is φ = 250848.

The previous prime is 381323. The next prime is 381343. The reversal of 381333 is 333183.

It is an interprime number because it is at equal distance from previous prime (381323) and next prime (381343).

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

It is not a de Polignac number, because 381333 - 2⁵ = 381301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (64400).

2³⁸¹³³³ is an apocalyptic number.

It is an amenable number.

381333 is a deficient number, since it is larger than the sum of its proper divisors (133867).

381333 is a wasteful number, since it uses less digits than its factorization.

381333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 648, while the sum is 21.

The square root of 381333 is about 617.5216595392. The cubic root of 381333 is about 72.5161596955.

The spelling of 381333 in words is "three hundred eighty-one thousand, three hundred thirty-three".