349555556 has 24 divisors (see below), whose sum is σ = 705304320. Its totient is φ = 148482432.

The previous prime is 349555543. The next prime is 349555573. The reversal of 349555556 is 655555943.

It is a self number, because there is not a number n which added to its sum of digits gives 349555556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52076 + ... + 58403.

It is an arithmetic number, because the mean of its divisors is an integer number (29387680).

Almost surely, 2^349555556 is an apocalyptic number.

It is an amenable number.

349555556 is an abundant number, since it is smaller than the sum of its proper divisors (355748764).

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

349555556 is a wasteful number, since it uses less digits than its factorization.

349555556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110603 (or 110601 counting only the distinct ones).

The product of its digits is 2025000, while the sum is 47.

The square root of 349555556 is about 18696.4048950594. The cubic root of 349555556 is about 704.4314487930.

The spelling of 349555556 in words is "three hundred forty-nine million, five hundred fifty-five thousand, five hundred fifty-six".