359999 has 4 divisors (see below), whose sum is σ = 361200. Its totient is φ = 358800.

The previous prime is 359987. The next prime is 360007. The reversal of 359999 is 999953.

It is a Cunningham number, because it is equal to 600²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-359999 is a prime.

It is a Duffinian number.

359999 is a modest number, since divided by 999 gives 359 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359929) 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, 299 + ... + 899.

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

2³⁵⁹⁹⁹⁹ is an apocalyptic number.

359999 is a deficient number, since it is larger than the sum of its proper divisors (1201).

359999 is an equidigital number, since it uses as much as digits as its factorization.

359999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 98415, while the sum is 44.

The square root of 359999 is about 599.9991666661. Note that the first 3 decimals coincide. The cubic root of 359999 is about 71.1378002213.

The spelling of 359999 in words is "three hundred fifty-nine thousand, nine hundred ninety-nine".