353869 has 2 divisors, whose sum is σ = 353870. Its totient is φ = 353868.

The previous prime is 353867. The next prime is 353879. The reversal of 353869 is 968353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 38025 = 562^2 + 195^2 .

It is an emirp because it is prime and its reverse (968353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 353869 - 2¹ = 353867 is a prime.

It is a super-2 number, since 2×353869² = 250446538322, which contains 22 as substring.

Together with 353867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176934 + 176935.

It is an arithmetic number, because the mean of its divisors is an integer number (176935).

2³⁵³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

353869 is a deficient number, since it is larger than the sum of its proper divisors (1).

353869 is an equidigital number, since it uses as much as digits as its factorization.

353869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 353869 is about 594.8688931185. The cubic root of 353869 is about 70.7317124880.

The spelling of 353869 in words is "three hundred fifty-three thousand, eight hundred sixty-nine".