5891989 has 8 divisors (see below), whose sum is σ = 6063552. Its totient is φ = 5722080.

The previous prime is 5891983. The next prime is 5891993. The reversal of 5891989 is 9891985.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5891989 - 2³ = 5891981 is a prime.

It is a super-2 number, since 2×5891989² = 69431068752242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5891981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11049 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (757944).

Almost surely, 2^5891989 is an apocalyptic number.

It is an amenable number.

5891989 is a deficient number, since it is larger than the sum of its proper divisors (171563).

5891989 is a wasteful number, since it uses less digits than its factorization.

5891989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its digits is 233280, while the sum is 49.

The square root of 5891989 is about 2427.3419618999. The cubic root of 5891989 is about 180.6150666823.

The spelling of 5891989 in words is "five million, eight hundred ninety-one thousand, nine hundred eighty-nine".