394984066 has 8 divisors (see below), whose sum is σ = 592994304. Its totient is φ = 197319300.

The previous prime is 394984049. The next prime is 394984081. The reversal of 394984066 is 660489493.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83490 + ... + 88093.

It is an arithmetic number, because the mean of its divisors is an integer number (74124288).

Almost surely, 2^394984066 is an apocalyptic number.

394984066 is a deficient number, since it is larger than the sum of its proper divisors (198010238).

394984066 is a wasteful number, since it uses less digits than its factorization.

394984066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172736.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 394984066 is about 19874.2060470349. The cubic root of 394984066 is about 733.7135260435.

The spelling of 394984066 in words is "three hundred ninety-four million, nine hundred eighty-four thousand, sixty-six".