343946971 has 4 divisors (see below), whose sum is σ = 343991200. Its totient is φ = 343902744.

The previous prime is 343946963. The next prime is 343947001. The reversal of 343946971 is 179649343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 179649343 = 23 ⋅7810841.

It is a cyclic number.

It is not a de Polignac number, because 343946971 - 2³ = 343946963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343946951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7011 + ... + 27148.

It is an arithmetic number, because the mean of its divisors is an integer number (85997800).

Almost surely, 2^343946971 is an apocalyptic number.

343946971 is a deficient number, since it is larger than the sum of its proper divisors (44229).

343946971 is a wasteful number, since it uses less digits than its factorization.

343946971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44228.

The product of its digits is 489888, while the sum is 46.

The square root of 343946971 is about 18545.8073698613. The cubic root of 343946971 is about 700.6436060225.

The spelling of 343946971 in words is "three hundred forty-three million, nine hundred forty-six thousand, nine hundred seventy-one".