5811969 has 4 divisors (see below), whose sum is σ = 7749296. Its totient is φ = 3874644.

The previous prime is 5811961. The next prime is 5811979. The reversal of 5811969 is 9691185.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5811969 - 2³ = 5811961 is a prime.

It is a super-2 number, since 2×5811969² = 67557967313922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5811961) 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, 968659 + ... + 968664.

It is an arithmetic number, because the mean of its divisors is an integer number (1937324).

Almost surely, 2^5811969 is an apocalyptic number.

It is an amenable number.

5811969 is a deficient number, since it is larger than the sum of its proper divisors (1937327).

5811969 is a wasteful number, since it uses less digits than its factorization.

5811969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937326.

The product of its digits is 19440, while the sum is 39.

The square root of 5811969 is about 2410.8025634630. The cubic root of 5811969 is about 179.7936833626.

The spelling of 5811969 in words is "five million, eight hundred eleven thousand, nine hundred sixty-nine".