563853394 has 8 divisors (see below), whose sum is σ = 910840140. Its totient is φ = 260240016.

The previous prime is 563853377. The next prime is 563853419. The reversal of 563853394 is 493358365.

It can be written as a sum of positive squares in 2 ways, for example, as 557668225 + 6185169 = 23615^2 + 2487^2 .

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

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, 10843309 + ... + 10843360.

Almost surely, 2^563853394 is an apocalyptic number.

563853394 is a deficient number, since it is larger than the sum of its proper divisors (346986746).

563853394 is a wasteful number, since it uses less digits than its factorization.

563853394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686684.

The product of its digits is 1166400, while the sum is 46.

The square root of 563853394 is about 23745.5973603529. The cubic root of 563853394 is about 826.1433276719.

The spelling of 563853394 in words is "five hundred sixty-three million, eight hundred fifty-three thousand, three hundred ninety-four".