349646 has 16 divisors (see below), whose sum is σ = 597888. Its totient is φ = 151800.

The previous prime is 349637. The next prime is 349663. The reversal of 349646 is 646943.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (37368).

2³⁴⁹⁶⁴⁶ is an apocalyptic number.

349646 is a deficient number, since it is larger than the sum of its proper divisors (248242).

349646 is a wasteful number, since it uses less digits than its factorization.

349646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 15552, while the sum is 32.

The square root of 349646 is about 591.3087180145. The cubic root of 349646 is about 70.4492198415.

The spelling of 349646 in words is "three hundred forty-nine thousand, six hundred forty-six".