396834911 has 4 divisors (see below), whose sum is σ = 432910824. Its totient is φ = 360759000.

The previous prime is 396834901. The next prime is 396834943. The reversal of 396834911 is 119438693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396834911 - 2²² = 392640607 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 (396834901) 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, 18037940 + ... + 18037961.

It is an arithmetic number, because the mean of its divisors is an integer number (108227706).

Almost surely, 2^396834911 is an apocalyptic number.

396834911 is a deficient number, since it is larger than the sum of its proper divisors (36075913).

396834911 is a wasteful number, since it uses less digits than its factorization.

396834911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36075912.

The product of its digits is 139968, while the sum is 44.

The square root of 396834911 is about 19920.7156246958. The cubic root of 396834911 is about 734.8577700015.

The spelling of 396834911 in words is "three hundred ninety-six million, eight hundred thirty-four thousand, nine hundred eleven".