394636361 has 8 divisors (see below), whose sum is σ = 452034624. Its totient is φ = 337493520.

The previous prime is 394636343. The next prime is 394636367. The reversal of 394636361 is 163636493.

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

It is not a de Polignac number, because 394636361 - 2¹⁴ = 394619977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394636367) 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, 60530 + ... + 66731.

It is an arithmetic number, because the mean of its divisors is an integer number (56504328).

Almost surely, 2^394636361 is an apocalyptic number.

It is an amenable number.

394636361 is a deficient number, since it is larger than the sum of its proper divisors (57398263).

394636361 is a wasteful number, since it uses less digits than its factorization.

394636361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127711.

The product of its digits is 209952, while the sum is 41.

The square root of 394636361 is about 19865.4564760038. The cubic root of 394636361 is about 733.4981665056.

The spelling of 394636361 in words is "three hundred ninety-four million, six hundred thirty-six thousand, three hundred sixty-one".