394930 has 16 divisors (see below), whose sum is σ = 721944. Its totient is φ = 155520.

The previous prime is 394897. The next prime is 394931. The reversal of 394930 is 39493.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 84681 = 557^2 + 291^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1000.

2³⁹⁴⁹³⁰ is an apocalyptic number.

394930 is a deficient number, since it is larger than the sum of its proper divisors (327014).

394930 is a wasteful number, since it uses less digits than its factorization.

394930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 394930 is about 628.4345630215. The cubic root of 394930 is about 73.3680047254.

The spelling of 394930 in words is "three hundred ninety-four thousand, nine hundred thirty".