923381 has 8 divisors (see below), whose sum is σ = 1014720. Its totient is φ = 836352.

The previous prime is 923371. The next prime is 923387. The reversal of 923381 is 183329.

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

It is a cyclic number.

It is not a de Polignac number, because 923381 - 2¹⁰ = 922357 is a prime.

It is a super-2 number, since 2×923381² = 1705264942322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 923381.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923381.

It is not an unprimeable number, because it can be changed into a prime (923387) 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, 620 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (126840).

2⁹²³³⁸¹ is an apocalyptic number.

It is an amenable number.

923381 is a deficient number, since it is larger than the sum of its proper divisors (91339).

923381 is a wasteful number, since it uses less digits than its factorization.

923381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its digits is 1296, while the sum is 26.

The square root of 923381 is about 960.9271564484. The cubic root of 923381 is about 97.3778791012.

The spelling of 923381 in words is "nine hundred twenty-three thousand, three hundred eighty-one".