343673971 has 4 divisors (see below), whose sum is σ = 344779344. Its totient is φ = 342568600.

The previous prime is 343673963. The next prime is 343673987. The reversal of 343673971 is 179376343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179376343 = 59 ⋅3040277.

It is a cyclic number.

It is not a de Polignac number, because 343673971 - 2³ = 343673963 is a prime.

It is a super-2 number, since 2×343673971² = 236223596685817682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343673951) 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, 552220 + ... + 552841.

It is an arithmetic number, because the mean of its divisors is an integer number (86194836).

Almost surely, 2^343673971 is an apocalyptic number.

343673971 is a deficient number, since it is larger than the sum of its proper divisors (1105373).

343673971 is a wasteful number, since it uses less digits than its factorization.

343673971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105372.

The product of its digits is 285768, while the sum is 43.

The square root of 343673971 is about 18538.4457547012. The cubic root of 343673971 is about 700.4581837047.

The spelling of 343673971 in words is "three hundred forty-three million, six hundred seventy-three thousand, nine hundred seventy-one".