396967871 has 8 divisors (see below), whose sum is σ = 407621760. Its totient is φ = 386444952.

The previous prime is 396967853. The next prime is 396967877. The reversal of 396967871 is 178769693.

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

It is a cyclic number.

It is not a de Polignac number, because 396967871 - 2⁶ = 396967807 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 (396967877) 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, 26585 + ... + 38738.

It is an arithmetic number, because the mean of its divisors is an integer number (50952720).

Almost surely, 2^396967871 is an apocalyptic number.

396967871 is a deficient number, since it is larger than the sum of its proper divisors (10653889).

396967871 is a wasteful number, since it uses less digits than its factorization.

396967871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65485.

The product of its digits is 3429216, while the sum is 56.

The square root of 396967871 is about 19924.0525747148. The cubic root of 396967871 is about 734.9398324882.

The spelling of 396967871 in words is "three hundred ninety-six million, nine hundred sixty-seven thousand, eight hundred seventy-one".