494722823 has 8 divisors (see below), whose sum is σ = 569466240. Its totient is φ = 420996600.

The previous prime is 494722807. The next prime is 494722867. The reversal of 494722823 is 328227494.

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 494722823 - 2⁴ = 494722807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494722873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253253 + ... + 255198.

It is an arithmetic number, because the mean of its divisors is an integer number (71183280).

Almost surely, 2^494722823 is an apocalyptic number.

494722823 is a deficient number, since it is larger than the sum of its proper divisors (74743417).

494722823 is a wasteful number, since it uses less digits than its factorization.

494722823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508597.

The product of its digits is 193536, while the sum is 41.

The square root of 494722823 is about 22242.3654991999. The cubic root of 494722823 is about 790.8983121128.

The spelling of 494722823 in words is "four hundred ninety-four million, seven hundred twenty-two thousand, eight hundred twenty-three".