396769 has 4 divisors (see below), whose sum is σ = 409600. Its totient is φ = 383940.

The previous prime is 396733. The next prime is 396833. The reversal of 396769 is 967693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396769 - 2¹¹ = 394721 is a prime.

It is a super-2 number, since 2×396769² = 314851278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396709) 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, 6369 + ... + 6430.

It is an arithmetic number, because the mean of its divisors is an integer number (102400).

2³⁹⁶⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

396769 is a deficient number, since it is larger than the sum of its proper divisors (12831).

396769 is a wasteful number, since it uses less digits than its factorization.

396769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830.

The product of its digits is 61236, while the sum is 40.

The square root of 396769 is about 629.8960231657. The cubic root of 396769 is about 73.4817083147.

Subtracting from 396769 its product of digits (61236), we obtain a palindrome (335533).

The spelling of 396769 in words is "three hundred ninety-six thousand, seven hundred sixty-nine".