395299805 has 16 divisors (see below), whose sum is σ = 481831680. Its totient is φ = 311283648.

The previous prime is 395299789. The next prime is 395299829. The reversal of 395299805 is 508992593.

It is a cyclic number.

It is not a de Polignac number, because 395299805 - 2⁴ = 395299789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145994 + ... + 148676.

It is an arithmetic number, because the mean of its divisors is an integer number (30114480).

Almost surely, 2^395299805 is an apocalyptic number.

It is an amenable number.

395299805 is a deficient number, since it is larger than the sum of its proper divisors (86531875).

395299805 is a wasteful number, since it uses less digits than its factorization.

395299805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 874800, while the sum is 50.

The square root of 395299805 is about 19882.1478970457. The cubic root of 395299805 is about 733.9089771974.

The spelling of 395299805 in words is "three hundred ninety-five million, two hundred ninety-nine thousand, eight hundred five".