349825870 has 8 divisors (see below), whose sum is σ = 629686584. Its totient is φ = 139930344.

The previous prime is 349825867. The next prime is 349825901. The reversal of 349825870 is 78528943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 349825870.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17491284 + ... + 17491303.

It is an arithmetic number, because the mean of its divisors is an integer number (78710823).

Almost surely, 2^349825870 is an apocalyptic number.

349825870 is a deficient number, since it is larger than the sum of its proper divisors (279860714).

349825870 is a wasteful number, since it uses less digits than its factorization.

349825870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34982594.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 349825870 is about 18703.6325348848. The cubic root of 349825870 is about 704.6129827596.

The spelling of 349825870 in words is "three hundred forty-nine million, eight hundred twenty-five thousand, eight hundred seventy".