349598247 has 8 divisors (see below), whose sum is σ = 466254720. Its totient is φ = 233003640.

The previous prime is 349598231. The next prime is 349598257. The reversal of 349598247 is 742895943.

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

It is not a de Polignac number, because 349598247 - 2⁴ = 349598231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349598247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349598257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 26442.

It is an arithmetic number, because the mean of its divisors is an integer number (58281840).

Almost surely, 2^349598247 is an apocalyptic number.

349598247 is a deficient number, since it is larger than the sum of its proper divisors (116656473).

349598247 is a wasteful number, since it uses less digits than its factorization.

349598247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30933.

The product of its digits is 2177280, while the sum is 51.

The square root of 349598247 is about 18697.5465502830. The cubic root of 349598247 is about 704.4601248821.

The spelling of 349598247 in words is "three hundred forty-nine million, five hundred ninety-eight thousand, two hundred forty-seven".