493954623 has 12 divisors (see below), whose sum is σ = 714008568. Its totient is φ = 329063760.

The previous prime is 493954613. The next prime is 493954627. The reversal of 493954623 is 326459394.

It is not a de Polignac number, because 493954623 - 2⁸ = 493954367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493954627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6388 + ... + 32073.

It is an arithmetic number, because the mean of its divisors is an integer number (59500714).

Almost surely, 2^493954623 is an apocalyptic number.

493954623 is a deficient number, since it is larger than the sum of its proper divisors (220053945).

493954623 is a wasteful number, since it uses less digits than its factorization.

493954623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39894 (or 39891 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 493954623 is about 22225.0899435750. The cubic root of 493954623 is about 790.4887340612.

The spelling of 493954623 in words is "four hundred ninety-three million, nine hundred fifty-four thousand, six hundred twenty-three".