359681 has 4 divisors (see below), whose sum is σ = 411072. Its totient is φ = 308292.

The previous prime is 359663. The next prime is 359701. The reversal of 359681 is 186953.

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-359681 is a prime.

It is a super-2 number, since 2×359681² = 258740843522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (359621) 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, 25685 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (102768).

2³⁵⁹⁶⁸¹ is an apocalyptic number.

It is an amenable number.

359681 is a deficient number, since it is larger than the sum of its proper divisors (51391).

359681 is an equidigital number, since it uses as much as digits as its factorization.

359681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51390.

The product of its digits is 6480, while the sum is 32.

The square root of 359681 is about 599.7341077511. The cubic root of 359681 is about 71.1168478626.

The spelling of 359681 in words is "three hundred fifty-nine thousand, six hundred eighty-one".