396988193 has 16 divisors (see below), whose sum is σ = 465960960. Its totient is φ = 331203600.

The previous prime is 396988187. The next prime is 396988219. The reversal of 396988193 is 391889693.

It is not a de Polignac number, because 396988193 - 2⁴ = 396988177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396988093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34208 + ... + 44318.

It is an arithmetic number, because the mean of its divisors is an integer number (29122560).

Almost surely, 2^396988193 is an apocalyptic number.

It is an amenable number.

396988193 is a deficient number, since it is larger than the sum of its proper divisors (68972767).

396988193 is a wasteful number, since it uses less digits than its factorization.

396988193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268.

The product of its digits is 2519424, while the sum is 56.

The square root of 396988193 is about 19924.5625547965. The cubic root of 396988193 is about 734.9523735472.

The spelling of 396988193 in words is "three hundred ninety-six million, nine hundred eighty-eight thousand, one hundred ninety-three".