349540760 has 32 divisors (see below), whose sum is σ = 789330960. Its totient is φ = 139307136.

The previous prime is 349540759. The next prime is 349540783. The reversal of 349540760 is 67045943.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694 + ... + 26853.

Almost surely, 2^349540760 is an apocalyptic number.

It is an amenable number.

349540760 is an abundant number, since it is smaller than the sum of its proper divisors (439790200).

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

349540760 is a wasteful number, since it uses less digits than its factorization.

349540760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31835 (or 31831 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 349540760 is about 18696.0091998266. The cubic root of 349540760 is about 704.4215095863.

The spelling of 349540760 in words is "three hundred forty-nine million, five hundred forty thousand, seven hundred sixty".