5660538 has 32 divisors (see below), whose sum is σ = 12590592. Its totient is φ = 1684800.

The previous prime is 5660531. The next prime is 5660561. The reversal of 5660538 is 8350665.

It is a junction number, because it is equal to n+sod(n) for n = 5660499 and 5660508.

It is not an unprimeable number, because it can be changed into a prime (5660531) 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, 1248 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (393456).

Almost surely, 2^5660538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5660538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6295296).

5660538 is an abundant number, since it is smaller than the sum of its proper divisors (6930054).

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

5660538 is a wasteful number, since it uses less digits than its factorization.

5660538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5660538 is about 2379.1885171209. The cubic root of 5660538 is about 178.2184121923.

The spelling of 5660538 in words is "five million, six hundred sixty thousand, five hundred thirty-eight".