349393836 has 24 divisors (see below), whose sum is σ = 889366464. Its totient is φ = 105876880.

The previous prime is 349393829. The next prime is 349393873. The reversal of 349393836 is 638393943.

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, 1323330 + ... + 1323593.

It is an arithmetic number, because the mean of its divisors is an integer number (37056936).

Almost surely, 2^349393836 is an apocalyptic number.

It is an amenable number.

349393836 is an abundant number, since it is smaller than the sum of its proper divisors (539972628).

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

349393836 is a wasteful number, since it uses less digits than its factorization.

349393836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646941 (or 2646939 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 48.

The square root of 349393836 is about 18692.0794990820. The cubic root of 349393836 is about 704.3227982273.

The spelling of 349393836 in words is "three hundred forty-nine million, three hundred ninety-three thousand, eight hundred thirty-six".