5999969 has 4 divisors (see below), whose sum is σ = 6033300. Its totient is φ = 5966640.

The previous prime is 5999947. The next prime is 5999993. The reversal of 5999969 is 9699995.

5999969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9699995 = 5 ⋅1939999.

It can be written as a sum of positive squares in 2 ways, for example, as 3150625 + 2849344 = 1775^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 5999969 - 2²⁰ = 4951393 is a prime.

It is a super-2 number, since 2×5999969² = 71999256001922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5999909) 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, 16394 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (1508325).

Almost surely, 2^5999969 is an apocalyptic number.

It is an amenable number.

5999969 is a deficient number, since it is larger than the sum of its proper divisors (33331).

5999969 is a wasteful number, since it uses less digits than its factorization.

5999969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33330.

The product of its digits is 1771470, while the sum is 56.

The square root of 5999969 is about 2449.4834149265. The cubic root of 5999969 is about 181.7117463341.

The spelling of 5999969 in words is "five million, nine hundred ninety-nine thousand, nine hundred sixty-nine".