563478 has 8 divisors (see below), whose sum is σ = 1126968. Its totient is φ = 187824.

The previous prime is 563467. The next prime is 563489. The reversal of 563478 is 874365.

It is an interprime number because it is at equal distance from previous prime (563467) and next prime (563489).

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

563478 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46951 + ... + 46962.

It is an arithmetic number, because the mean of its divisors is an integer number (140871).

2⁵⁶³⁴⁷⁸ is an apocalyptic number.

563478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

563478 is a wasteful number, since it uses less digits than its factorization.

563478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93918.

The product of its digits is 20160, while the sum is 33.

The square root of 563478 is about 750.6517168434. The cubic root of 563478 is about 82.5959947795.

The spelling of 563478 in words is "five hundred sixty-three thousand, four hundred seventy-eight".