396169046 has 16 divisors (see below), whose sum is σ = 731389344. Its totient is φ = 156726144.

The previous prime is 396169031. The next prime is 396169091. The reversal of 396169046 is 640961693.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 396168988 and 396169006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088195 + ... + 1088558.

It is an arithmetic number, because the mean of its divisors is an integer number (45711834).

Almost surely, 2^396169046 is an apocalyptic number.

396169046 is a deficient number, since it is larger than the sum of its proper divisors (335220298).

396169046 is a wasteful number, since it uses less digits than its factorization.

396169046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176775.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 396169046 is about 19903.9957295011. The cubic root of 396169046 is about 734.4465242569.

The spelling of 396169046 in words is "three hundred ninety-six million, one hundred sixty-nine thousand, forty-six".