563890 has 32 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 203520.

The previous prime is 563887. The next prime is 563897. The reversal of 563890 is 98365.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5217 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (34992).

2⁵⁶³⁸⁹⁰ is an apocalyptic number.

563890 is a deficient number, since it is larger than the sum of its proper divisors (555854).

563890 is a wasteful number, since it uses less digits than its factorization.

563890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 563890 is about 750.9260948988. The cubic root of 563890 is about 82.6161205338.

The spelling of 563890 in words is "five hundred sixty-three thousand, eight hundred ninety".