349170580 has 48 divisors (see below), whose sum is σ = 802327680. Its totient is φ = 126588800.

The previous prime is 349170557. The next prime is 349170587. The reversal of 349170580 is 85071943.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349170587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76770 + ... + 81190.

It is an arithmetic number, because the mean of its divisors is an integer number (16715160).

Almost surely, 2^349170580 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 349170580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401163840).

349170580 is an abundant number, since it is smaller than the sum of its proper divisors (453157100).

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

349170580 is a wasteful number, since it uses less digits than its factorization.

349170580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 349170580 is about 18686.1066035705. The cubic root of 349170580 is about 704.1727499834.

The spelling of 349170580 in words is "three hundred forty-nine million, one hundred seventy thousand, five hundred eighty".