359921 has 4 divisors (see below), whose sum is σ = 361200. Its totient is φ = 358644.

The previous prime is 359911. The next prime is 359929. The reversal of 359921 is 129953.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 359921 - 2¹⁸ = 97777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (359929) 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, 11 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (90300).

2³⁵⁹⁹²¹ is an apocalyptic number.

It is an amenable number.

359921 is a deficient number, since it is larger than the sum of its proper divisors (1279).

359921 is an equidigital number, since it uses as much as digits as its factorization.

359921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its digits is 2430, while the sum is 29.

The square root of 359921 is about 599.9341630546. The cubic root of 359921 is about 71.1326621060.

The spelling of 359921 in words is "three hundred fifty-nine thousand, nine hundred twenty-one".