5666420 has 24 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 2256800.

The previous prime is 5666417. The next prime is 5666431. The reversal of 5666420 is 246665.

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 7 ways as a sum of consecutive naturals, for example, 5765 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^5666420 is an apocalyptic number.

It is an amenable number.

5666420 is an abundant number, since it is smaller than the sum of its proper divisors (6284428).

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

5666420 is a wasteful number, since it uses less digits than its factorization.

5666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5666420 is about 2380.4243319207. The cubic root of 5666420 is about 178.2801211566.

The spelling of 5666420 in words is "five million, six hundred sixty-six thousand, four hundred twenty".