5605399 has 16 divisors (see below), whose sum is σ = 6266880. Its totient is φ = 4989600.

The previous prime is 5605387. The next prime is 5605423. The reversal of 5605399 is 9935065.

It is a cyclic number.

It is not a de Polignac number, because 5605399 - 2⁵ = 5605367 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 (5605349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44074 + ... + 44200.

It is an arithmetic number, because the mean of its divisors is an integer number (391680).

Almost surely, 2^5605399 is an apocalyptic number.

5605399 is a deficient number, since it is larger than the sum of its proper divisors (661481).

5605399 is a wasteful number, since it uses less digits than its factorization.

5605399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5605399 is about 2367.5723853771. The cubic root of 5605399 is about 177.6378509908.

The spelling of 5605399 in words is "five million, six hundred five thousand, three hundred ninety-nine".