394816630 has 32 divisors (see below), whose sum is σ = 766430784. Its totient is φ = 145570176.

The previous prime is 394816627. The next prime is 394816649. The reversal of 394816630 is 36618493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112279 + ... + 115741.

It is an arithmetic number, because the mean of its divisors is an integer number (23950962).

Almost surely, 2^394816630 is an apocalyptic number.

394816630 is a deficient number, since it is larger than the sum of its proper divisors (371614154).

394816630 is a wasteful number, since it uses less digits than its factorization.

394816630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

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

The square root of 394816630 is about 19869.9932058368. The cubic root of 394816630 is about 733.6098362734.

The spelling of 394816630 in words is "three hundred ninety-four million, eight hundred sixteen thousand, six hundred thirty".