349780764 has 24 divisors (see below), whose sum is σ = 816524800. Its totient is φ = 116540784.

The previous prime is 349780759. The next prime is 349780777. The reversal of 349780764 is 467087943.

It is a happy number.

It is a congruent number.

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, 28437 + ... + 38835.

Almost surely, 2^349780764 is an apocalyptic number.

It is an amenable number.

349780764 is an abundant number, since it is smaller than the sum of its proper divisors (466744036).

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

349780764 is a wasteful number, since it uses less digits than its factorization.

349780764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13209 (or 13207 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 349780764 is about 18702.4266874649. The cubic root of 349780764 is about 704.5826975597.

The spelling of 349780764 in words is "three hundred forty-nine million, seven hundred eighty thousand, seven hundred sixty-four".