396823946 has 16 divisors (see below), whose sum is σ = 600907776. Its totient is φ = 196526736.

The previous prime is 396823943. The next prime is 396823951. The reversal of 396823946 is 649328693.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 396823894 and 396823903.

It is not an unprimeable number, because it can be changed into a prime (396823943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252455 + ... + 254021.

It is an arithmetic number, because the mean of its divisors is an integer number (37556736).

Almost surely, 2^396823946 is an apocalyptic number.

396823946 is a deficient number, since it is larger than the sum of its proper divisors (204083830).

396823946 is a wasteful number, since it uses less digits than its factorization.

396823946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its digits is 1679616, while the sum is 50.

The square root of 396823946 is about 19920.4404067782. The cubic root of 396823946 is about 734.8510016204.

The spelling of 396823946 in words is "three hundred ninety-six million, eight hundred twenty-three thousand, nine hundred forty-six".