396771 has 4 divisors (see below), whose sum is σ = 529032. Its totient is φ = 264512.

The previous prime is 396733. The next prime is 396833. The reversal of 396771 is 177693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396771 - 2⁹ = 396259 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (396871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66126 + ... + 66131.

It is an arithmetic number, because the mean of its divisors is an integer number (132258).

2³⁹⁶⁷⁷¹ is an apocalyptic number.

396771 is a deficient number, since it is larger than the sum of its proper divisors (132261).

396771 is a wasteful number, since it uses less digits than its factorization.

396771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132260.

The product of its digits is 7938, while the sum is 33.

The square root of 396771 is about 629.8976107273. The cubic root of 396771 is about 73.4818317814.

The spelling of 396771 in words is "three hundred ninety-six thousand, seven hundred seventy-one".