5093991 has 18 divisors (see below), whose sum is σ = 8560032. Its totient is φ = 2910600.

The previous prime is 5093983. The next prime is 5093993. The reversal of 5093991 is 1993905.

It is not a de Polignac number, because 5093991 - 2³ = 5093983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5093993) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5335 + ... + 6216.

Almost surely, 2^5093991 is an apocalyptic number.

5093991 is a deficient number, since it is larger than the sum of its proper divisors (3466041).

5093991 is a wasteful number, since it uses less digits than its factorization.

5093991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 5093991 is about 2256.9871510489. The cubic root of 5093991 is about 172.0624322663.

It can be divided in two parts, 5093 and 991, that added together give a square (6084 = 78²).

The spelling of 5093991 in words is "five million, ninety-three thousand, nine hundred ninety-one".