349874180 has 12 divisors (see below), whose sum is σ = 734735820. Its totient is φ = 139949664.

The previous prime is 349874177. The next prime is 349874191. The reversal of 349874180 is 81478943.

It can be written as a sum of positive squares in 2 ways, for example, as 266407684 + 83466496 = 16322^2 + 9136^2 .

It is a super-3 number, since 3×349874180³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8746835 + ... + 8746874.

It is an arithmetic number, because the mean of its divisors is an integer number (61227985).

Almost surely, 2^349874180 is an apocalyptic number.

It is an amenable number.

349874180 is an abundant number, since it is smaller than the sum of its proper divisors (384861640).

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

349874180 is a wasteful number, since it uses less digits than its factorization.

349874180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17493718 (or 17493716 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 349874180 is about 18704.9239506607. The cubic root of 349874180 is about 704.6454163114.

The spelling of 349874180 in words is "three hundred forty-nine million, eight hundred seventy-four thousand, one hundred eighty".