349666 has 8 divisors (see below), whose sum is σ = 527040. Its totient is φ = 173988.

The previous prime is 349663. The next prime is 349667. The reversal of 349666 is 666943.

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

It is not an unprimeable number, because it can be changed into a prime (349663) 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, 475 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (65880).

2³⁴⁹⁶⁶⁶ is an apocalyptic number.

349666 is a deficient number, since it is larger than the sum of its proper divisors (177374).

349666 is a wasteful number, since it uses less digits than its factorization.

349666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 23328, while the sum is 34.

The square root of 349666 is about 591.3256294124. The cubic root of 349666 is about 70.4505630644.

The spelling of 349666 in words is "three hundred forty-nine thousand, six hundred sixty-six".