352689 has 4 divisors (see below), whose sum is σ = 470256. Its totient is φ = 235124.

The previous prime is 352661. The next prime is 352691. The reversal of 352689 is 986253.

It is a happy number.

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 not a de Polignac number, because 352689 - 2¹³ = 344497 is a prime.

It is a D-number.

352689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (352619) 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, 58779 + ... + 58784.

It is an arithmetic number, because the mean of its divisors is an integer number (117564).

2³⁵²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

352689 is a deficient number, since it is larger than the sum of its proper divisors (117567).

352689 is a wasteful number, since it uses less digits than its factorization.

352689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117566.

The product of its digits is 12960, while the sum is 33.

The square root of 352689 is about 593.8762497356. The cubic root of 352689 is about 70.6530050526.

The spelling of 352689 in words is "three hundred fifty-two thousand, six hundred eighty-nine".