396736 has 14 divisors (see below), whose sum is σ = 787400. Its totient is φ = 198336.

The previous prime is 396733. The next prime is 396833. The reversal of 396736 is 637693.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396733) 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 as a sum of consecutive naturals, namely, 3036 + ... + 3163.

2³⁹⁶⁷³⁶ is an apocalyptic number.

It is an amenable number.

396736 is a deficient number, since it is larger than the sum of its proper divisors (390664).

396736 is an equidigital number, since it uses as much as digits as its factorization.

396736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211 (or 6201 counting only the distinct ones).

The product of its digits is 20412, while the sum is 34.

The square root of 396736 is about 629.8698278216. The cubic root of 396736 is about 73.4796710558.

The spelling of 396736 in words is "three hundred ninety-six thousand, seven hundred thirty-six".