5624409 has 8 divisors (see below), whose sum is σ = 8570560. Its totient is φ = 3213936.

The previous prime is 5624401. The next prime is 5624417. The reversal of 5624409 is 9044265.

It is an interprime number because it is at equal distance from previous prime (5624401) and next prime (5624417).

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

It is not a de Polignac number, because 5624409 - 2³ = 5624401 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5624401) 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, 133894 + ... + 133935.

It is an arithmetic number, because the mean of its divisors is an integer number (1071320).

Almost surely, 2^5624409 is an apocalyptic number.

It is an amenable number.

5624409 is a deficient number, since it is larger than the sum of its proper divisors (2946151).

5624409 is a wasteful number, since it uses less digits than its factorization.

5624409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267839.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 5624409 is about 2371.5836481136. The cubic root of 5624409 is about 177.8384364910.

The spelling of 5624409 in words is "five million, six hundred twenty-four thousand, four hundred nine".