563869398 has 16 divisors (see below), whose sum is σ = 1128669696. Its totient is φ = 187801320.

The previous prime is 563869393. The next prime is 563869399. The reversal of 563869398 is 893968365.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563869391) 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, 30786 + ... + 45557.

It is an arithmetic number, because the mean of its divisors is an integer number (70541856).

Almost surely, 2^563869398 is an apocalyptic number.

563869398 is an abundant number, since it is smaller than the sum of its proper divisors (564800298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563869398 is a wasteful number, since it uses less digits than its factorization.

563869398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77579.

The product of its digits is 8398080, while the sum is 57.

The square root of 563869398 is about 23745.9343467466. The cubic root of 563869398 is about 826.1511438128.

The spelling of 563869398 in words is "five hundred sixty-three million, eight hundred sixty-nine thousand, three hundred ninety-eight".