563785939 has 8 divisors (see below), whose sum is σ = 570763440. Its totient is φ = 556836000.

The previous prime is 563785927. The next prime is 563785987. The reversal of 563785939 is 939587365.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 563785939 - 2⁵ = 563785907 is a prime.

It is a super-2 number, since 2×563785939² = 635709170028223442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 563785939.

It is not an unprimeable number, because it can be changed into a prime (563785919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35892 + ... + 49150.

It is an arithmetic number, because the mean of its divisors is an integer number (71345430).

Almost surely, 2^563785939 is an apocalyptic number.

563785939 is a deficient number, since it is larger than the sum of its proper divisors (6977501).

563785939 is a wasteful number, since it uses less digits than its factorization.

563785939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781.

The product of its digits is 6123600, while the sum is 55.

The square root of 563785939 is about 23744.1769493070. The cubic root of 563785939 is about 826.1103819208.

The spelling of 563785939 in words is "five hundred sixty-three million, seven hundred eighty-five thousand, nine hundred thirty-nine".