347320399 has 8 divisors (see below), whose sum is σ = 365904000. Its totient is φ = 328767192.

The previous prime is 347320367. The next prime is 347320403. The reversal of 347320399 is 993023743.

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

It is a cyclic number.

It is not a de Polignac number, because 347320399 - 2⁵ = 347320367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347323399) 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, 18132 + ... + 31990.

It is an arithmetic number, because the mean of its divisors is an integer number (45738000).

Almost surely, 2^347320399 is an apocalyptic number.

347320399 is a deficient number, since it is larger than the sum of its proper divisors (18583601).

347320399 is a wasteful number, since it uses less digits than its factorization.

347320399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 347320399 is about 18636.5339856959. The cubic root of 347320399 is about 702.9267925767.

The spelling of 347320399 in words is "three hundred forty-seven million, three hundred twenty thousand, three hundred ninety-nine".