381733 has 4 divisors (see below), whose sum is σ = 416448. Its totient is φ = 347020.

The previous prime is 381713. The next prime is 381737. The reversal of 381733 is 337183.

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.

It is a cyclic number.

It is not a de Polignac number, because 381733 - 2⁹ = 381221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381698 and 381707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381737) 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, 17341 + ... + 17362.

It is an arithmetic number, because the mean of its divisors is an integer number (104112).

2³⁸¹⁷³³ is an apocalyptic number.

It is an amenable number.

381733 is a deficient number, since it is larger than the sum of its proper divisors (34715).

381733 is a wasteful number, since it uses less digits than its factorization.

381733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34714.

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

The square root of 381733 is about 617.8454499306. The cubic root of 381733 is about 72.5415061579.

It can be divided in two parts, 38 and 1733, that added together give a palindrome (1771).

The spelling of 381733 in words is "three hundred eighty-one thousand, seven hundred thirty-three".