379945 has 4 divisors (see below), whose sum is σ = 455940. Its totient is φ = 303952.

The previous prime is 379931. The next prime is 379963. The reversal of 379945 is 549973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549973 = 461 ⋅1193.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 310249 = 264^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 379945 - 2⁵ = 379913 is a prime.

It is a d-powerful number, because it can be written as 3² + 7⁶ + 9 + 9 + 4⁹ + 5³ .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37990 + ... + 37999.

It is an arithmetic number, because the mean of its divisors is an integer number (113985).

2³⁷⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

379945 is a deficient number, since it is larger than the sum of its proper divisors (75995).

379945 is an equidigital number, since it uses as much as digits as its factorization.

379945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75994.

The product of its digits is 34020, while the sum is 37.

The square root of 379945 is about 616.3967877918. The cubic root of 379945 is about 72.4280697605.

It can be divided in two parts, 3799 and 45, that added together give a square (3844 = 62²).

The spelling of 379945 in words is "three hundred seventy-nine thousand, nine hundred forty-five".