379969 has 4 divisors (see below), whose sum is σ = 386260. Its totient is φ = 373680.

The previous prime is 379963. The next prime is 379979. The reversal of 379969 is 969973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969973 = 619 ⋅1567.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 297025 = 288^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 379969 - 2¹⁵ = 347201 is a prime.

It is a super-2 number, since 2×379969² = 288752881922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379963) 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, 3054 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (96565).

2³⁷⁹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

379969 is a deficient number, since it is larger than the sum of its proper divisors (6291).

379969 is an equidigital number, since it uses as much as digits as its factorization.

379969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290.

The product of its digits is 91854, while the sum is 43.

The square root of 379969 is about 616.4162554638. The cubic root of 379969 is about 72.4295947506.

The spelling of 379969 in words is "three hundred seventy-nine thousand, nine hundred sixty-nine".