349708700 has 72 divisors (see below), whose sum is σ = 876600144. Its totient is φ = 119680000.

The previous prime is 349708693. The next prime is 349708703. The reversal of 349708700 is 7807943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349708703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9350 + ... + 28050.

It is an arithmetic number, because the mean of its divisors is an integer number (12175002).

Almost surely, 2^349708700 is an apocalyptic number.

It is a pronic number, being equal to 18700×18701.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349708700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438300072).

349708700 is an abundant number, since it is smaller than the sum of its proper divisors (526891444).

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

349708700 is a wasteful number, since it uses less digits than its factorization.

349708700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743 (or 18736 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 349708700 is about 18700.4999933157. The cubic root of 349708700 is about 704.5343067388.

The spelling of 349708700 in words is "three hundred forty-nine million, seven hundred eight thousand, seven hundred".