346986 has 24 divisors (see below), whose sum is σ = 773604. Its totient is φ = 112320.

The previous prime is 346963. The next prime is 347003. The reversal of 346986 is 689643.

It can be written as a sum of positive squares in 2 ways, for example, as 342225 + 4761 = 585^2 + 69^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 346986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406 + ... + 926.

2³⁴⁶⁹⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386802).

346986 is an abundant number, since it is smaller than the sum of its proper divisors (426618).

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

346986 is a wasteful number, since it uses less digits than its factorization.

346986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 346986 is about 589.0551756839. The cubic root of 346986 is about 70.2701128228.

The spelling of 346986 in words is "three hundred forty-six thousand, nine hundred eighty-six".