566746394 has 8 divisors (see below), whose sum is σ = 850810548. Its totient is φ = 283142880.

The previous prime is 566746387. The next prime is 566746429. The reversal of 566746394 is 493647665.

It can be written as a sum of positive squares in 2 ways, for example, as 557668225 + 9078169 = 23615^2 + 3013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×566746394³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112067 + ... + 117014.

Almost surely, 2^566746394 is an apocalyptic number.

566746394 is a deficient number, since it is larger than the sum of its proper divisors (284064154).

566746394 is a wasteful number, since it uses less digits than its factorization.

566746394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230320.

The product of its digits is 3265920, while the sum is 50.

The square root of 566746394 is about 23806.4359785332. The cubic root of 566746394 is about 827.5538342076.

The spelling of 566746394 in words is "five hundred sixty-six million, seven hundred forty-six thousand, three hundred ninety-four".