351982 has 4 divisors (see below), whose sum is σ = 527976. Its totient is φ = 175990.

The previous prime is 351971. The next prime is 351991. The reversal of 351982 is 289153.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 351982.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 87994 + ... + 87997.

It is an arithmetic number, because the mean of its divisors is an integer number (131994).

2³⁵¹⁹⁸² is an apocalyptic number.

351982 is a deficient number, since it is larger than the sum of its proper divisors (175994).

351982 is a wasteful number, since it uses less digits than its factorization.

351982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175993.

The product of its digits is 2160, while the sum is 28.

The square root of 351982 is about 593.2807092768. The cubic root of 351982 is about 70.6057631582.

The spelling of 351982 in words is "three hundred fifty-one thousand, nine hundred eighty-two".