5995989 has 12 divisors (see below), whose sum is σ = 8940672. Its totient is φ = 3868200.

The previous prime is 5995973. The next prime is 5995991. The reversal of 5995989 is 9895995.

It is not a de Polignac number, because 5995989 - 2⁴ = 5995973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5995949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10467 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (745056).

Almost surely, 2^5995989 is an apocalyptic number.

It is an amenable number.

5995989 is a deficient number, since it is larger than the sum of its proper divisors (2944683).

5995989 is a wasteful number, since it uses less digits than its factorization.

5995989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21528 (or 21525 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The square root of 5995989 is about 2448.6708639586. The cubic root of 5995989 is about 181.6715587531.

The spelling of 5995989 in words is "five million, nine hundred ninety-five thousand, nine hundred eighty-nine".