394677 has 6 divisors (see below), whose sum is σ = 570102. Its totient is φ = 263112.

The previous prime is 394673. The next prime is 394699. The reversal of 394677 is 776493.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 125316 = 519^2 + 354^2 .

It is not a de Polignac number, because 394677 - 2² = 394673 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394677.

It is not an unprimeable number, because it can be changed into a prime (394673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21918 + ... + 21935.

It is an arithmetic number, because the mean of its divisors is an integer number (95017).

2³⁹⁴⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

394677 is a deficient number, since it is larger than the sum of its proper divisors (175425).

394677 is a wasteful number, since it uses less digits than its factorization.

394677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43859 (or 43856 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 394677 is about 628.2332369431. The cubic root of 394677 is about 73.3523343784.

The spelling of 394677 in words is "three hundred ninety-four thousand, six hundred seventy-seven".