5624391 has 4 divisors (see below), whose sum is σ = 7499192. Its totient is φ = 3749592.

The previous prime is 5624389. The next prime is 5624401. The reversal of 5624391 is 1934265.

5624391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5624391 - 2¹ = 5624389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5624341) 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, 937396 + ... + 937401.

It is an arithmetic number, because the mean of its divisors is an integer number (1874798).

Almost surely, 2^5624391 is an apocalyptic number.

5624391 is a deficient number, since it is larger than the sum of its proper divisors (1874801).

5624391 is a wasteful number, since it uses less digits than its factorization.

5624391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874800.

The product of its digits is 6480, while the sum is 30.

The square root of 5624391 is about 2371.5798531780. The cubic root of 5624391 is about 177.8382467765.

The spelling of 5624391 in words is "five million, six hundred twenty-four thousand, three hundred ninety-one".