353891 has 2 divisors, whose sum is σ = 353892. Its totient is φ = 353890.

The previous prime is 353879. The next prime is 353897. The reversal of 353891 is 198353.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 353891 - 2¹⁰ = 352867 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 353891.

It is not a weakly prime, because it can be changed into another prime (353897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176945 + 176946.

It is an arithmetic number, because the mean of its divisors is an integer number (176946).

2³⁵³⁸⁹¹ is an apocalyptic number.

353891 is a deficient number, since it is larger than the sum of its proper divisors (1).

353891 is an equidigital number, since it uses as much as digits as its factorization.

353891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 353891 is about 594.8873843006. The cubic root of 353891 is about 70.7331782521.

The spelling of 353891 in words is "three hundred fifty-three thousand, eight hundred ninety-one".