394685330 has 32 divisors (see below), whose sum is σ = 767176704. Its totient is φ = 145331136.

The previous prime is 394685323. The next prime is 394685339. The reversal of 394685330 is 33586493.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394685339) 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, 45827 + ... + 53753.

It is an arithmetic number, because the mean of its divisors is an integer number (23974272).

Almost surely, 2^394685330 is an apocalyptic number.

394685330 is a deficient number, since it is larger than the sum of its proper divisors (372491374).

394685330 is a wasteful number, since it uses less digits than its factorization.

394685330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 394685330 is about 19866.6889541262. The cubic root of 394685330 is about 733.5285042964.

The spelling of 394685330 in words is "three hundred ninety-four million, six hundred eighty-five thousand, three hundred thirty".