381293 has 8 divisors (see below), whose sum is σ = 440640. Its totient is φ = 326080.

The previous prime is 381289. The next prime is 381301. The reversal of 381293 is 392183.

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 381293 - 2² = 381289 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2³⁸¹²⁹³ is an apocalyptic number.

It is an amenable number.

381293 is a deficient number, since it is larger than the sum of its proper divisors (59347).

381293 is a wasteful number, since it uses less digits than its factorization.

381293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

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

The square root of 381293 is about 617.4892711619. The cubic root of 381293 is about 72.5136240746.

It can be divided in two parts, 38 and 1293, that added together give a palindrome (1331).

The spelling of 381293 in words is "three hundred eighty-one thousand, two hundred ninety-three".