394768946 has 32 divisors (see below), whose sum is σ = 705511296. Its totient is φ = 163296000.

The previous prime is 394768943. The next prime is 394768949. The reversal of 394768946 is 649867493.

It is an interprime number because it is at equal distance from previous prime (394768943) and next prime (394768949).

It is a junction number, because it is equal to n+sod(n) for n = 394768891 and 394768900.

It is not an unprimeable number, because it can be changed into a prime (394768943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10586 + ... + 30026.

It is an arithmetic number, because the mean of its divisors is an integer number (22047228).

Almost surely, 2^394768946 is an apocalyptic number.

394768946 is a deficient number, since it is larger than the sum of its proper divisors (310742350).

394768946 is a wasteful number, since it uses less digits than its factorization.

394768946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19538.

The product of its digits is 7838208, while the sum is 56.

The square root of 394768946 is about 19868.7932698491. The cubic root of 394768946 is about 733.5803011617.

The spelling of 394768946 in words is "three hundred ninety-four million, seven hundred sixty-eight thousand, nine hundred forty-six".