563238946 has 8 divisors (see below), whose sum is σ = 856432044. Its totient is φ = 277761600.

The previous prime is 563238941. The next prime is 563238947. The reversal of 563238946 is 649832365.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 535413321 + 27825625 = 23139^2 + 5275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×563238946² = 634476220582381832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 563238896 and 563238905.

It is not an unprimeable number, because it can be changed into a prime (563238941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928755 + ... + 1929046.

Almost surely, 2^563238946 is an apocalyptic number.

563238946 is a deficient number, since it is larger than the sum of its proper divisors (293193098).

563238946 is a wasteful number, since it uses less digits than its factorization.

563238946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857876.

The product of its digits is 933120, while the sum is 46.

The square root of 563238946 is about 23732.6556878913. The cubic root of 563238946 is about 825.8431275236.

The spelling of 563238946 in words is "five hundred sixty-three million, two hundred thirty-eight thousand, nine hundred forty-six".