5665830 has 16 divisors (see below), whose sum is σ = 13598064. Its totient is φ = 1510880.

The previous prime is 5665789. The next prime is 5665837. The reversal of 5665830 is 385665.

It is a junction number, because it is equal to n+sod(n) for n = 5665791 and 5665800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94401 + ... + 94460.

It is an arithmetic number, because the mean of its divisors is an integer number (849879).

Almost surely, 2^5665830 is an apocalyptic number.

5665830 is an abundant number, since it is smaller than the sum of its proper divisors (7932234).

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

5665830 is a wasteful number, since it uses less digits than its factorization.

5665830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188871.

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

The square root of 5665830 is about 2380.3004012099. The cubic root of 5665830 is about 178.2739333036.

The spelling of 5665830 in words is "five million, six hundred sixty-five thousand, eight hundred thirty".