381346 has 8 divisors (see below), whose sum is σ = 653760. Its totient is φ = 163428.

The previous prime is 381343. The next prime is 381347. The reversal of 381346 is 643183.

381346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 381346.

It is not an unprimeable number, because it can be changed into a prime (381343) 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, 13606 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (81720).

2³⁸¹³⁴⁶ is an apocalyptic number.

381346 is a deficient number, since it is larger than the sum of its proper divisors (272414).

381346 is a wasteful number, since it uses less digits than its factorization.

381346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27248.

The product of its digits is 1728, while the sum is 25.

The square root of 381346 is about 617.5321853960. The cubic root of 381346 is about 72.5169837341.

It can be divided in two parts, 381 and 346, that added together give a palindrome (727).

The spelling of 381346 in words is "three hundred eighty-one thousand, three hundred forty-six".