349314680 has 128 divisors (see below), whose sum is σ = 931331520. Its totient is φ = 116244480.

The previous prime is 349314673. The next prime is 349314683. The reversal of 349314680 is 86413943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349314683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989384 + ... + 989736.

Almost surely, 2^349314680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349314680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465665760).

349314680 is an abundant number, since it is smaller than the sum of its proper divisors (582016840).

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

349314680 is a wasteful number, since it uses less digits than its factorization.

349314680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 349314680 is about 18689.9620117324. The cubic root of 349314680 is about 704.2696055448.

The spelling of 349314680 in words is "three hundred forty-nine million, three hundred fourteen thousand, six hundred eighty".