5623391 has 8 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 5527800.

The previous prime is 5623367. The next prime is 5623393. The reversal of 5623391 is 1933265.

5623391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5623391 - 2⁶ = 5623327 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 (5623393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25106 + ... + 25328.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^5623391 is an apocalyptic number.

5623391 is a deficient number, since it is larger than the sum of its proper divisors (96673).

5623391 is a wasteful number, since it uses less digits than its factorization.

5623391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 4860, while the sum is 29.

The square root of 5623391 is about 2371.3690138821. The cubic root of 5623391 is about 177.8277064479.

The spelling of 5623391 in words is "five million, six hundred twenty-three thousand, three hundred ninety-one".