394912246 has 8 divisors (see below), whose sum is σ = 606816504. Its totient is φ = 192640080.

The previous prime is 394912241. The next prime is 394912247. The reversal of 394912246 is 642219493.

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

It is a junction number, because it is equal to n+sod(n) for n = 394912199 and 394912208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394912241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407920 + ... + 2408083.

It is an arithmetic number, because the mean of its divisors is an integer number (75852063).

Almost surely, 2^394912246 is an apocalyptic number.

394912246 is a deficient number, since it is larger than the sum of its proper divisors (211904258).

394912246 is a wasteful number, since it uses less digits than its factorization.

394912246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816046.

The product of its digits is 93312, while the sum is 40.

The square root of 394912246 is about 19872.3991002596. The cubic root of 394912246 is about 733.6690529418.

The spelling of 394912246 in words is "three hundred ninety-four million, nine hundred twelve thousand, two hundred forty-six".