381093 has 4 divisors (see below), whose sum is σ = 508128. Its totient is φ = 254060.

The previous prime is 381077. The next prime is 381097. The reversal of 381093 is 390183.

381093 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 381093 - 2⁴ = 381077 is a prime.

It is a D-number.

381093 is strictly pandigital in base 7.

It is a Curzon number.

381093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381097) 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, 63513 + ... + 63518.

It is an arithmetic number, because the mean of its divisors is an integer number (127032).

2³⁸¹⁰⁹³ is an apocalyptic number.

It is an amenable number.

381093 is a deficient number, since it is larger than the sum of its proper divisors (127035).

381093 is a wasteful number, since it uses less digits than its factorization.

381093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127034.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 381093 is about 617.3273037862. The cubic root of 381093 is about 72.5009433092.

The spelling of 381093 in words is "three hundred eighty-one thousand, ninety-three".