5991897 has 16 divisors (see below), whose sum is σ = 8683520. Its totient is φ = 3661200.

The previous prime is 5991883. The next prime is 5991899. The reversal of 5991897 is 7981995.

It is not a de Polignac number, because 5991897 - 2⁶ = 5991833 is a prime.

It is a Duffinian number.

5991897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5991899) 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, 72 + ... + 3462.

It is an arithmetic number, because the mean of its divisors is an integer number (542720).

Almost surely, 2^5991897 is an apocalyptic number.

5991897 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5991897 is a deficient number, since it is larger than the sum of its proper divisors (2691623).

5991897 is a wasteful number, since it uses less digits than its factorization.

5991897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444.

The product of its digits is 204120, while the sum is 48.

The square root of 5991897 is about 2447.8351660192. The cubic root of 5991897 is about 181.6302217196.

The spelling of 5991897 in words is "five million, nine hundred ninety-one thousand, eight hundred ninety-seven".