379669 has 4 divisors (see below), whose sum is σ = 381196. Its totient is φ = 378144.

The previous prime is 379667. The next prime is 379679. The reversal of 379669 is 966973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966973 = 7 ⋅138139.

It can be written as a sum of positive squares in 2 ways, for example, as 7569 + 372100 = 87^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 379669 - 2¹ = 379667 is a prime.

It is a super-2 number, since 2×379669² = 288297099122, which contains 22 as substring.

It is a Duffinian number.

379669 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379663) 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, 294 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (95299).

2³⁷⁹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

379669 is a deficient number, since it is larger than the sum of its proper divisors (1527).

379669 is a wasteful number, since it uses less digits than its factorization.

379669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its digits is 61236, while the sum is 40.

The square root of 379669 is about 616.1728653552. The cubic root of 379669 is about 72.4105277569.

It can be divided in two parts, 37 and 9669, that multiplied together give a palindrome (357753).

The spelling of 379669 in words is "three hundred seventy-nine thousand, six hundred sixty-nine".