349780760 has 32 divisors (see below), whose sum is σ = 899436960. Its totient is φ = 119924736.

The previous prime is 349780759. The next prime is 349780777. The reversal of 349780760 is 67087943.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 624329 + ... + 624888.

It is an arithmetic number, because the mean of its divisors is an integer number (28107405).

Almost surely, 2^349780760 is an apocalyptic number.

It is an amenable number.

349780760 is an abundant number, since it is smaller than the sum of its proper divisors (549656200).

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

349780760 is a wasteful number, since it uses less digits than its factorization.

349780760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249235 (or 1249231 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 349780760 is about 18702.4265805269. The cubic root of 349780760 is about 704.5826948738.

The spelling of 349780760 in words is "three hundred forty-nine million, seven hundred eighty thousand, seven hundred sixty".