5605278 has 32 divisors (see below), whose sum is σ = 13161984. Its totient is φ = 1557792.

The previous prime is 5605253. The next prime is 5605283. The reversal of 5605278 is 8725065.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 250 + ... + 3357.

It is an arithmetic number, because the mean of its divisors is an integer number (411312).

Almost surely, 2^5605278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5605278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6580992).

5605278 is an abundant number, since it is smaller than the sum of its proper divisors (7556706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5605278 is a wasteful number, since it uses less digits than its factorization.

5605278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 5605278 is about 2367.5468316382. The cubic root of 5605278 is about 177.6365727985.

The spelling of 5605278 in words is "five million, six hundred five thousand, two hundred seventy-eight".