566421306 has 32 divisors (see below), whose sum is σ = 1239772608. Its totient is φ = 171095040.

The previous prime is 566421287. The next prime is 566421313. The reversal of 566421306 is 603124665.

566421306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7386 + ... + 34458.

It is an arithmetic number, because the mean of its divisors is an integer number (38742894).

Almost surely, 2^566421306 is an apocalyptic number.

566421306 is an abundant number, since it is smaller than the sum of its proper divisors (673351302).

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

566421306 is a wasteful number, since it uses less digits than its factorization.

566421306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 566421306 is about 23799.6072656672. The cubic root of 566421306 is about 827.3955745470.

The spelling of 566421306 in words is "five hundred sixty-six million, four hundred twenty-one thousand, three hundred six".