395378843 has 8 divisors (see below), whose sum is σ = 419053680. Its totient is φ = 371750400.

The previous prime is 395378821. The next prime is 395378857. The reversal of 395378843 is 348873593.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395378843 - 2⁸ = 395378587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 395378791 and 395378800.

It is not an unprimeable number, because it can be changed into a prime (395378873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6803 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (52381710).

Almost surely, 2^395378843 is an apocalyptic number.

395378843 is a deficient number, since it is larger than the sum of its proper divisors (23674837).

395378843 is a wasteful number, since it uses less digits than its factorization.

395378843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197.

The product of its digits is 2177280, while the sum is 50.

The square root of 395378843 is about 19884.1354602105. The cubic root of 395378843 is about 733.9578876120.

The spelling of 395378843 in words is "three hundred ninety-five million, three hundred seventy-eight thousand, eight hundred forty-three".