381079 has 4 divisors (see below), whose sum is σ = 384120. Its totient is φ = 378040.

The previous prime is 381077. The next prime is 381097. The reversal of 381079 is 970183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970183 = 41 ⋅23663.

It is a cyclic number.

It is not a de Polignac number, because 381079 - 2¹ = 381077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381071) 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, 1324 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (96030).

2³⁸¹⁰⁷⁹ is an apocalyptic number.

381079 is a deficient number, since it is larger than the sum of its proper divisors (3041).

381079 is a wasteful number, since it uses less digits than its factorization.

381079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 381079 is about 617.3159644785. The cubic root of 381079 is about 72.5000554895.

The spelling of 381079 in words is "three hundred eighty-one thousand, seventy-nine".