396985159 has 8 divisors (see below), whose sum is σ = 409817232. Its totient is φ = 384316800.

The previous prime is 396985111. The next prime is 396985177. The reversal of 396985159 is 951589693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396985159 - 2⁹ = 396984647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396985189) 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, 35992 + ... + 45709.

It is an arithmetic number, because the mean of its divisors is an integer number (51227154).

Almost surely, 2^396985159 is an apocalyptic number.

396985159 is a deficient number, since it is larger than the sum of its proper divisors (12832073).

396985159 is a wasteful number, since it uses less digits than its factorization.

396985159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81857.

The product of its digits is 2624400, while the sum is 55.

The square root of 396985159 is about 19924.4864174713. The cubic root of 396985159 is about 734.9505012403.

The spelling of 396985159 in words is "three hundred ninety-six million, nine hundred eighty-five thousand, one hundred fifty-nine".