346646 has 8 divisors (see below), whose sum is σ = 522504. Its totient is φ = 172480.

The previous prime is 346639. The next prime is 346649. The reversal of 346646 is 646643.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (65313).

2³⁴⁶⁶⁴⁶ is an apocalyptic number.

346646 is a deficient number, since it is larger than the sum of its proper divisors (175858).

346646 is a wasteful number, since it uses less digits than its factorization.

346646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 10368, while the sum is 29.

The square root of 346646 is about 588.7665071996. The cubic root of 346646 is about 70.2471535428.

The spelling of 346646 in words is "three hundred forty-six thousand, six hundred forty-six".