396369 has 6 divisors (see below), whose sum is σ = 572546. Its totient is φ = 264240.

The previous prime is 396353. The next prime is 396373. The reversal of 396369 is 963693.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 50625 = 588^2 + 225^2 .

It is not a de Polignac number, because 396369 - 2⁴ = 396353 is a prime.

It is a super-2 number, since 2×396369² = 314216768322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22012 + ... + 22029.

2³⁹⁶³⁶⁹ is an apocalyptic number.

It is an amenable number.

396369 is a deficient number, since it is larger than the sum of its proper divisors (176177).

396369 is a wasteful number, since it uses less digits than its factorization.

396369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44047 (or 44044 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 396369 is about 629.5784303802. The cubic root of 396369 is about 73.4570066485.

The spelling of 396369 in words is "three hundred ninety-six thousand, three hundred sixty-nine".