394446395 has 16 divisors (see below), whose sum is σ = 541348608. Its totient is φ = 270280800.

The previous prime is 394446373. The next prime is 394446407. The reversal of 394446395 is 593644493.

It is not a de Polignac number, because 394446395 - 2⁶ = 394446331 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 57920 + ... + 64370.

It is an arithmetic number, because the mean of its divisors is an integer number (33834288).

Almost surely, 2^394446395 is an apocalyptic number.

394446395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

394446395 is a deficient number, since it is larger than the sum of its proper divisors (146902213).

394446395 is a wasteful number, since it uses less digits than its factorization.

394446395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its digits is 1399680, while the sum is 47.

The square root of 394446395 is about 19860.6745857234. The cubic root of 394446395 is about 733.3804530100.

The spelling of 394446395 in words is "three hundred ninety-four million, four hundred forty-six thousand, three hundred ninety-five".