5851989 has 24 divisors (see below), whose sum is σ = 9932832. Its totient is φ = 3273120.

The previous prime is 5851969. The next prime is 5851991. The reversal of 5851989 is 9891585.

5851989 is a `hidden beast` number, since 58 + 519 + 89 = 666.

It is not a de Polignac number, because 5851989 - 2⁸ = 5851733 is a prime.

It is a super-2 number, since 2×5851989² = 68491550512242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5851919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (413868).

Almost surely, 2^5851989 is an apocalyptic number.

It is an amenable number.

5851989 is a deficient number, since it is larger than the sum of its proper divisors (4080843).

5851989 is a wasteful number, since it uses less digits than its factorization.

5851989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4574 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 5851989 is about 2419.0884646908. The cubic root of 5851989 is about 180.2054136436.

The spelling of 5851989 in words is "five million, eight hundred fifty-one thousand, nine hundred eighty-nine".