395843243 has 4 divisors (see below), whose sum is σ = 409493040. Its totient is φ = 382193448.

The previous prime is 395843237. The next prime is 395843267. The reversal of 395843243 is 342348593.

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 395843243 - 2¹⁴ = 395826859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 395843243.

It is not an unprimeable number, because it can be changed into a prime (395843143) 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, 6824855 + ... + 6824912.

It is an arithmetic number, because the mean of its divisors is an integer number (102373260).

Almost surely, 2^395843243 is an apocalyptic number.

395843243 is a deficient number, since it is larger than the sum of its proper divisors (13649797).

395843243 is a wasteful number, since it uses less digits than its factorization.

395843243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649796.

The product of its digits is 311040, while the sum is 41.

The square root of 395843243 is about 19895.8096844537. The cubic root of 395843243 is about 734.2451367364.

The spelling of 395843243 in words is "three hundred ninety-five million, eight hundred forty-three thousand, two hundred forty-three".