396783 has 6 divisors (see below), whose sum is σ = 573144. Its totient is φ = 264516.

The previous prime is 396733. The next prime is 396833. The reversal of 396783 is 387693.

It is an interprime number because it is at equal distance from previous prime (396733) and next prime (396833).

It is not a de Polignac number, because 396783 - 2⁶ = 396719 is a prime.

396783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396703) 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, 22035 + ... + 22052.

It is an arithmetic number, because the mean of its divisors is an integer number (95524).

2³⁹⁶⁷⁸³ is an apocalyptic number.

396783 is a deficient number, since it is larger than the sum of its proper divisors (176361).

396783 is a wasteful number, since it uses less digits than its factorization.

396783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44093 (or 44090 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 396783 is about 629.9071360129. The cubic root of 396783 is about 73.4825725723.

The spelling of 396783 in words is "three hundred ninety-six thousand, seven hundred eighty-three".