347421353 has 4 divisors (see below), whose sum is σ = 347749248. Its totient is φ = 347093460.

The previous prime is 347421337. The next prime is 347421377. The reversal of 347421353 is 353124743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 347421353 - 2⁴ = 347421337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347421953) 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, 162353 + ... + 164478.

It is an arithmetic number, because the mean of its divisors is an integer number (86937312).

Almost surely, 2^347421353 is an apocalyptic number.

It is an amenable number.

347421353 is a deficient number, since it is larger than the sum of its proper divisors (327895).

347421353 is a wasteful number, since it uses less digits than its factorization.

347421353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327894.

The product of its digits is 30240, while the sum is 32.

The square root of 347421353 is about 18639.2422861017. The cubic root of 347421353 is about 702.9948914629.

The spelling of 347421353 in words is "three hundred forty-seven million, four hundred twenty-one thousand, three hundred fifty-three".