349219670 has 8 divisors (see below), whose sum is σ = 628595424. Its totient is φ = 139687864.

The previous prime is 349219667. The next prime is 349219679. The reversal of 349219670 is 76912943.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349219679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17460974 + ... + 17460993.

It is an arithmetic number, because the mean of its divisors is an integer number (78574428).

Almost surely, 2^349219670 is an apocalyptic number.

349219670 is a deficient number, since it is larger than the sum of its proper divisors (279375754).

349219670 is a wasteful number, since it uses less digits than its factorization.

349219670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921974.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 349219670 is about 18687.4201001636. The cubic root of 349219670 is about 704.2057483921.

The spelling of 349219670 in words is "three hundred forty-nine million, two hundred nineteen thousand, six hundred seventy".