381326 has 8 divisors (see below), whose sum is σ = 624024. Its totient is φ = 173320.

The previous prime is 381323. The next prime is 381343. The reversal of 381326 is 623183.

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

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 3 ways as a sum of consecutive naturals, for example, 8645 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (78003).

2³⁸¹³²⁶ is an apocalyptic number.

381326 is a deficient number, since it is larger than the sum of its proper divisors (242698).

381326 is a wasteful number, since it uses less digits than its factorization.

381326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346.

The product of its digits is 864, while the sum is 23.

The square root of 381326 is about 617.5159916958. The cubic root of 381326 is about 72.5157159747.

It can be divided in two parts, 381 and 326, that added together give a palindrome (707).

The spelling of 381326 in words is "three hundred eighty-one thousand, three hundred twenty-six".