563806990 has 32 divisors (see below), whose sum is σ = 1051354080. Its totient is φ = 217536000.

The previous prime is 563806967. The next prime is 563807003. The reversal of 563806990 is 99608365.

It is a self number, because there is not a number n which added to its sum of digits gives 563806990.

It is a congruent number.

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, 28765 + ... + 44215.

It is an arithmetic number, because the mean of its divisors is an integer number (32854815).

Almost surely, 2^563806990 is an apocalyptic number.

563806990 is a deficient number, since it is larger than the sum of its proper divisors (487547090).

563806990 is a wasteful number, since it uses less digits than its factorization.

563806990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15588.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 563806990 is about 23744.6202328022. The cubic root of 563806990 is about 826.1206637388.

The spelling of 563806990 in words is "five hundred sixty-three million, eight hundred six thousand, nine hundred ninety".