396860911 has 4 divisors (see below), whose sum is σ = 410545800. Its totient is φ = 383176024.

The previous prime is 396860909. The next prime is 396860941. The reversal of 396860911 is 119068693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119068693 = 29 ⋅4105817.

It is a cyclic number.

It is not a de Polignac number, because 396860911 - 2¹ = 396860909 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 (396860941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6842401 + ... + 6842458.

It is an arithmetic number, because the mean of its divisors is an integer number (102636450).

Almost surely, 2^396860911 is an apocalyptic number.

396860911 is a deficient number, since it is larger than the sum of its proper divisors (13684889).

396860911 is a wasteful number, since it uses less digits than its factorization.

396860911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13684888.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 396860911 is about 19921.3682010047. The cubic root of 396860911 is about 734.8738185599.

The spelling of 396860911 in words is "three hundred ninety-six million, eight hundred sixty thousand, nine hundred eleven".