349557160 has 16 divisors (see below), whose sum is σ = 786503700. Its totient is φ = 139822848.

The previous prime is 349557137. The next prime is 349557181. The reversal of 349557160 is 61755943.

It can be written as a sum of positive squares in 2 ways, for example, as 336869316 + 12687844 = 18354^2 + 3562^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8738929 = 349557160 / (3 + 4 + 9 + 5 + 5 + 7 + 1 + 6 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4369425 + ... + 4369504.

Almost surely, 2^349557160 is an apocalyptic number.

It is an amenable number.

349557160 is an abundant number, since it is smaller than the sum of its proper divisors (436946540).

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

349557160 is a wasteful number, since it uses less digits than its factorization.

349557160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738940 (or 8738936 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 349557160 is about 18696.4477909575. The cubic root of 349557160 is about 704.4325262625.

The spelling of 349557160 in words is "three hundred forty-nine million, five hundred fifty-seven thousand, one hundred sixty".