380279 has 4 divisors (see below), whose sum is σ = 382776. Its totient is φ = 377784.

The previous prime is 380269. The next prime is 380287. The reversal of 380279 is 972083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972083 = 7 ⋅138869.

It is a cyclic number.

It is not a de Polignac number, because 380279 - 2¹² = 376183 is a prime.

It is a super-2 number, since 2×380279² = 289224235682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (95694).

2³⁸⁰²⁷⁹ is an apocalyptic number.

380279 is a deficient number, since it is larger than the sum of its proper divisors (2497).

380279 is a wasteful number, since it uses less digits than its factorization.

380279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 380279 is about 616.6676576569. The cubic root of 380279 is about 72.4492867702.

It can be divided in two parts, 38027 and 9, that multiplied together give a palindrome (342243).

The spelling of 380279 in words is "three hundred eighty thousand, two hundred seventy-nine".