564173438 has 8 divisors (see below), whose sum is σ = 847374480. Its totient is φ = 281715280.

The previous prime is 564173411. The next prime is 564173461. The reversal of 564173438 is 834371465.

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

It is a junction number, because it is equal to n+sod(n) for n = 564173395 and 564173404.

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, 183818 + ... + 186861.

It is an arithmetic number, because the mean of its divisors is an integer number (105921810).

Almost surely, 2^564173438 is an apocalyptic number.

564173438 is a deficient number, since it is larger than the sum of its proper divisors (283201042).

564173438 is a wasteful number, since it uses less digits than its factorization.

564173438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371442.

The product of its digits is 241920, while the sum is 41.

The square root of 564173438 is about 23752.3354220169. The cubic root of 564173438 is about 826.2996048228.

The spelling of 564173438 in words is "five hundred sixty-four million, one hundred seventy-three thousand, four hundred thirty-eight".