343945793 has 4 divisors (see below), whose sum is σ = 345846228. Its totient is φ = 342045360.

The previous prime is 343945783. The next prime is 343945799. The reversal of 343945793 is 397549343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180821809 + 163123984 = 13447^2 + 12772^2 .

It is a cyclic number.

It is not a de Polignac number, because 343945793 - 2⁶ = 343945729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343945799) 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, 949946 + ... + 950307.

It is an arithmetic number, because the mean of its divisors is an integer number (86461557).

Almost surely, 2^343945793 is an apocalyptic number.

It is an amenable number.

343945793 is a deficient number, since it is larger than the sum of its proper divisors (1900435).

343945793 is a wasteful number, since it uses less digits than its factorization.

343945793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900434.

The product of its digits is 1224720, while the sum is 47.

The square root of 343945793 is about 18545.7756106344. The cubic root of 343945793 is about 700.6428061326.

The spelling of 343945793 in words is "three hundred forty-three million, nine hundred forty-five thousand, seven hundred ninety-three".