351858 has 24 divisors (see below), whose sum is σ = 764208. Its totient is φ = 107952.

The previous prime is 351851. The next prime is 351859. The reversal of 351858 is 858153.

It is a happy number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (351851) by changing a digit.

351858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 11 ways as a sum of consecutive naturals, for example, 841 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (31842).

2³⁵¹⁸⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382104).

351858 is an abundant number, since it is smaller than the sum of its proper divisors (412350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351858 is a wasteful number, since it uses less digits than its factorization.

351858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 351858 is about 593.1761964206. The cubic root of 351858 is about 70.5974709321.

The spelling of 351858 in words is "three hundred fifty-one thousand, eight hundred fifty-eight".