394630 has 32 divisors (see below), whose sum is σ = 783360. Its totient is φ = 142560.

The previous prime is 394619. The next prime is 394631. The reversal of 394630 is 36493.

394630 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a junction number, because it is equal to n+sod(n) for n = 394595 and 394604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5857 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2³⁹⁴⁶³⁰ is an apocalyptic number.

394630 is a deficient number, since it is larger than the sum of its proper divisors (388730).

394630 is a wasteful number, since it uses less digits than its factorization.

394630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 394630 is about 628.1958293399. The cubic root of 394630 is about 73.3494225488.

It can be divided in two parts, 394 and 630, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 394630 in words is "three hundred ninety-four thousand, six hundred thirty".