359669 has 4 divisors (see below), whose sum is σ = 380844. Its totient is φ = 338496.

The previous prime is 359663. The next prime is 359701. The reversal of 359669 is 966953.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966953 = 13 ⋅74381.

It can be written as a sum of positive squares in 2 ways, for example, as 122500 + 237169 = 350^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 359669 - 2¹² = 355573 is a prime.

It is a super-2 number, since 2×359669² = 258723579122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359663) 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, 10562 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (95211).

2³⁵⁹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

359669 is a deficient number, since it is larger than the sum of its proper divisors (21175).

359669 is a wasteful number, since it uses less digits than its factorization.

359669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21174.

The product of its digits is 43740, while the sum is 38.

The square root of 359669 is about 599.7241032341. The cubic root of 359669 is about 71.1160569658.

The spelling of 359669 in words is "three hundred fifty-nine thousand, six hundred sixty-nine".