351966 has 8 divisors (see below), whose sum is σ = 703944. Its totient is φ = 117320.

The previous prime is 351959. The next prime is 351971. The reversal of 351966 is 669153.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

351966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

351966 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29325 + ... + 29336.

It is an arithmetic number, because the mean of its divisors is an integer number (87993).

2³⁵¹⁹⁶⁶ is an apocalyptic number.

351966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

351966 is a wasteful number, since it uses less digits than its factorization.

351966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58666.

The product of its digits is 4860, while the sum is 30.

The square root of 351966 is about 593.2672247815. The cubic root of 351966 is about 70.6046933030.

The spelling of 351966 in words is "three hundred fifty-one thousand, nine hundred sixty-six".