379621 has 4 divisors (see below), whose sum is σ = 414144. Its totient is φ = 345100.

The previous prime is 379607. The next prime is 379633. The reversal of 379621 is 126973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379621 is a prime.

It is a super-2 number, since 2×379621² = 288224207282, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 379621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17245 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (103536).

2³⁷⁹⁶²¹ is an apocalyptic number.

It is an amenable number.

379621 is a deficient number, since it is larger than the sum of its proper divisors (34523).

379621 is a wasteful number, since it uses less digits than its factorization.

379621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34522.

The product of its digits is 2268, while the sum is 28.

The square root of 379621 is about 616.1339140155. The cubic root of 379621 is about 72.4074761060.

It can be divided in two parts, 379 and 621, that added together give a cube (1000 = 10³).

The spelling of 379621 in words is "three hundred seventy-nine thousand, six hundred twenty-one".