5490405 has 24 divisors (see below), whose sum is σ = 10077912. Its totient is φ = 2755584.

The previous prime is 5490391. The next prime is 5490409. The reversal of 5490405 is 5040945.

5490405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2452356 + 3038049 = 1566^2 + 1743^2 .

It is not a de Polignac number, because 5490405 - 2⁴ = 5490389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5490409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2824 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (419913).

Almost surely, 2^5490405 is an apocalyptic number.

It is an amenable number.

5490405 is a deficient number, since it is larger than the sum of its proper divisors (4587507).

5490405 is a wasteful number, since it uses less digits than its factorization.

5490405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5490405 is about 2343.1613260721. The cubic root of 5490405 is about 176.4147094649.

The spelling of 5490405 in words is "five million, four hundred ninety thousand, four hundred five".