395494943 has 4 divisors (see below), whose sum is σ = 395536200. Its totient is φ = 395453688.

The previous prime is 395494933. The next prime is 395494949. The reversal of 395494943 is 349494593.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 395494943 - 2²² = 391300639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 395494891 and 395494900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395494949) 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, 2096 + ... + 28202.

It is an arithmetic number, because the mean of its divisors is an integer number (98884050).

Almost surely, 2^395494943 is an apocalyptic number.

395494943 is a deficient number, since it is larger than the sum of its proper divisors (41257).

395494943 is a wasteful number, since it uses less digits than its factorization.

395494943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41256.

The product of its digits is 2099520, while the sum is 50.

The square root of 395494943 is about 19887.0546587472. The cubic root of 395494943 is about 734.0297209713.

The spelling of 395494943 in words is "three hundred ninety-five million, four hundred ninety-four thousand, nine hundred forty-three".