494563823 has 8 divisors (see below), whose sum is σ = 537322128. Its totient is φ = 452479104.

The previous prime is 494563757. The next prime is 494563841. The reversal of 494563823 is 328365494.

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

It is a cyclic number.

It is not a de Polignac number, because 494563823 - 2⁸ = 494563567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494563843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166865 + ... + 169802.

It is an arithmetic number, because the mean of its divisors is an integer number (67165266).

Almost surely, 2^494563823 is an apocalyptic number.

494563823 is a deficient number, since it is larger than the sum of its proper divisors (42758305).

494563823 is a wasteful number, since it uses less digits than its factorization.

494563823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336793.

The product of its digits is 622080, while the sum is 44.

The square root of 494563823 is about 22238.7909518481. The cubic root of 494563823 is about 790.8135735480.

The spelling of 494563823 in words is "four hundred ninety-four million, five hundred sixty-three thousand, eight hundred twenty-three".