5991969 has 16 divisors (see below), whose sum is σ = 8213760. Its totient is φ = 3884160.

The previous prime is 5991967. The next prime is 5991971. The reversal of 5991969 is 9691995.

It is a happy number.

5991969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5991967) and next prime (5991971).

It is not a de Polignac number, because 5991969 - 2¹ = 5991967 is a prime.

It is a super-2 number, since 2×5991969² = 71807384993922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24952 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (513360).

Almost surely, 2^5991969 is an apocalyptic number.

It is an amenable number.

5991969 is a deficient number, since it is larger than the sum of its proper divisors (2221791).

5991969 is a wasteful number, since it uses less digits than its factorization.

5991969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its digits is 196830, while the sum is 48.

The square root of 5991969 is about 2447.8498728476. The cubic root of 5991969 is about 181.6309492201.

The spelling of 5991969 in words is "five million, nine hundred ninety-one thousand, nine hundred sixty-nine".