343454047 has 4 divisors (see below), whose sum is σ = 355297320. Its totient is φ = 331610776.

The previous prime is 343454003. The next prime is 343454081. The reversal of 343454047 is 740454343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343454047 - 2⁷ = 343453919 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 (343154047) 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, 5921593 + ... + 5921650.

It is an arithmetic number, because the mean of its divisors is an integer number (88824330).

Almost surely, 2^343454047 is an apocalyptic number.

343454047 is a deficient number, since it is larger than the sum of its proper divisors (11843273).

343454047 is a wasteful number, since it uses less digits than its factorization.

343454047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843272.

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 343454047 is about 18532.5132402489. The cubic root of 343454047 is about 700.3087393188.

The spelling of 343454047 in words is "three hundred forty-three million, four hundred fifty-four thousand, forty-seven".