343476947 has 16 divisors (see below), whose sum is σ = 380966112. Its totient is φ = 307077120.

The previous prime is 343476929. The next prime is 343476971. The reversal of 343476947 is 749674343.

It is a cyclic number.

It is not a de Polignac number, because 343476947 - 2⁸ = 343476691 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343476247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169283 + ... + 171299.

It is an arithmetic number, because the mean of its divisors is an integer number (23810382).

Almost surely, 2^343476947 is an apocalyptic number.

343476947 is a deficient number, since it is larger than the sum of its proper divisors (37489165).

343476947 is a wasteful number, since it uses less digits than its factorization.

343476947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its digits is 1524096, while the sum is 47.

The square root of 343476947 is about 18533.1310630449. The cubic root of 343476947 is about 700.3243034715.

The spelling of 343476947 in words is "three hundred forty-three million, four hundred seventy-six thousand, nine hundred forty-seven".