5797991 has 4 divisors (see below), whose sum is σ = 5932872. Its totient is φ = 5663112.

The previous prime is 5797951. The next prime is 5797993. The reversal of 5797991 is 1997975.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5797991 - 2⁶ = 5797927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5797993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67376 + ... + 67461.

It is an arithmetic number, because the mean of its divisors is an integer number (1483218).

Almost surely, 2^5797991 is an apocalyptic number.

5797991 is a deficient number, since it is larger than the sum of its proper divisors (134881).

5797991 is a wasteful number, since it uses less digits than its factorization.

5797991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134880.

The product of its digits is 178605, while the sum is 47.

The square root of 5797991 is about 2407.9017837113. The cubic root of 5797991 is about 179.6494308412.

The spelling of 5797991 in words is "five million, seven hundred ninety-seven thousand, nine hundred ninety-one".