394725 has 24 divisors (see below), whose sum is σ = 689440. Its totient is φ = 198720.

The previous prime is 394721. The next prime is 394727. The reversal of 394725 is 527493.

It is not a de Polignac number, because 394725 - 2² = 394721 is a prime.

394725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 394692 and 394701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287 + ... + 1563.

2³⁹⁴⁷²⁵ is an apocalyptic number.

It is an amenable number.

394725 is a deficient number, since it is larger than the sum of its proper divisors (294715).

394725 is a wasteful number, since it uses less digits than its factorization.

394725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 394725 is about 628.2714381539. The cubic root of 394725 is about 73.3553079233.

The spelling of 394725 in words is "three hundred ninety-four thousand, seven hundred twenty-five".