346886406 has 12 divisors (see below), whose sum is σ = 751587252. Its totient is φ = 115628796.

The previous prime is 346886399. The next prime is 346886417. The reversal of 346886406 is 604688643.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 9635716 + ... + 9635751.

It is an arithmetic number, because the mean of its divisors is an integer number (62632271).

Almost surely, 2^346886406 is an apocalyptic number.

346886406 is an abundant number, since it is smaller than the sum of its proper divisors (404700846).

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

346886406 is a wasteful number, since it uses less digits than its factorization.

346886406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271475 (or 19271472 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 346886406 is about 18624.8867379106. The cubic root of 346886406 is about 702.6338906326.

The spelling of 346886406 in words is "three hundred forty-six million, eight hundred eighty-six thousand, four hundred six".