353687 has 2 divisors, whose sum is σ = 353688. Its totient is φ = 353686.

The previous prime is 353681. The next prime is 353699. The reversal of 353687 is 786353.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353687 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 353687.

It is not a weakly prime, because it can be changed into another prime (353681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176843 + 176844.

It is an arithmetic number, because the mean of its divisors is an integer number (176844).

2³⁵³⁶⁸⁷ is an apocalyptic number.

353687 is a deficient number, since it is larger than the sum of its proper divisors (1).

353687 is an equidigital number, since it uses as much as digits as its factorization.

353687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 353687 is about 594.7158985600. The cubic root of 353687 is about 70.7195842906.

The spelling of 353687 in words is "three hundred fifty-three thousand, six hundred eighty-seven".