394633285 has 8 divisors (see below), whose sum is σ = 473780736. Its totient is φ = 315559440.

The previous prime is 394633279. The next prime is 394633297. The reversal of 394633285 is 582336493.

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

It is not a de Polignac number, because 394633285 - 2¹⁹ = 394108997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821 + ... + 28690.

It is an arithmetic number, because the mean of its divisors is an integer number (59222592).

Almost surely, 2^394633285 is an apocalyptic number.

It is an amenable number.

394633285 is a deficient number, since it is larger than the sum of its proper divisors (79147451).

394633285 is a wasteful number, since it uses less digits than its factorization.

394633285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36803.

The product of its digits is 466560, while the sum is 43.

The square root of 394633285 is about 19865.3790550294. The cubic root of 394633285 is about 733.4962607459.

The spelling of 394633285 in words is "three hundred ninety-four million, six hundred thirty-three thousand, two hundred eighty-five".