563430 has 32 divisors (see below), whose sum is σ = 1545984. Its totient is φ = 128736.

The previous prime is 563419. The next prime is 563447. The reversal of 563430 is 34365.

563430 = T₁₀₁ + T₁₀₂ + ... + T₁₆₃.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 563397 and 563406.

It is a congruent number.

It is an unprimeable number.

563430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (48312).

2⁵⁶³⁴³⁰ is an apocalyptic number.

563430 is an abundant number, since it is smaller than the sum of its proper divisors (982554).

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

563430 is a wasteful number, since it uses less digits than its factorization.

563430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 563430 is about 750.6197439450. The cubic root of 563430 is about 82.5936493934.

Adding to 563430 its reverse (34365), we get a palindrome (597795).

It can be divided in two parts, 56 and 3430, that added together give a triangular number (3486 = T₈₃).

The spelling of 563430 in words is "five hundred sixty-three thousand, four hundred thirty".