5983991 has 16 divisors (see below), whose sum is σ = 6726720. Its totient is φ = 5287680.

The previous prime is 5983969. The next prime is 5983997. The reversal of 5983991 is 1993895.

It is a cyclic number.

It is not a de Polignac number, because 5983991 - 2⁶ = 5983927 is a prime.

It is a super-3 number, since 3×5983991³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5983997) 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, 54845 + ... + 54953.

It is an arithmetic number, because the mean of its divisors is an integer number (420420).

Almost surely, 2^5983991 is an apocalyptic number.

5983991 is a deficient number, since it is larger than the sum of its proper divisors (742729).

5983991 is a wasteful number, since it uses less digits than its factorization.

5983991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its digits is 87480, while the sum is 44.

The square root of 5983991 is about 2446.2197366549. The cubic root of 5983991 is about 181.5503026467.

The spelling of 5983991 in words is "five million, nine hundred eighty-three thousand, nine hundred ninety-one".