563530394 has 16 divisors (see below), whose sum is σ = 988519488. Its totient is φ = 235896192.

The previous prime is 563530381. The next prime is 563530439. The reversal of 563530394 is 493035365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467447 + ... + 468650.

It is an arithmetic number, because the mean of its divisors is an integer number (61782468).

Almost surely, 2^563530394 is an apocalyptic number.

563530394 is a deficient number, since it is larger than the sum of its proper divisors (424989094).

563530394 is a wasteful number, since it uses less digits than its factorization.

563530394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936149.

The product of its (nonzero) digits is 145800, while the sum is 38.

The square root of 563530394 is about 23738.7951252796. The cubic root of 563530394 is about 825.9855471404.

The spelling of 563530394 in words is "five hundred sixty-three million, five hundred thirty thousand, three hundred ninety-four".