1996911 has 24 divisors (see below), whose sum is σ = 3413280. Its totient is φ = 1100736.

The previous prime is 1996903. The next prime is 1996933. The reversal of 1996911 is 1196991.

It is not a de Polignac number, because 1996911 - 2³ = 1996903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1281 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (142220).

2^1996911 is an apocalyptic number.

1996911 is a deficient number, since it is larger than the sum of its proper divisors (1416369).

1996911 is a wasteful number, since it uses less digits than its factorization.

1996911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1132 counting only the distinct ones).

The product of its digits is 4374, while the sum is 36.

The square root of 1996911 is about 1413.1210139263. The cubic root of 1996911 is about 125.9272066308.

The spelling of 1996911 in words is "one million, nine hundred ninety-six thousand, nine hundred eleven".