493940571 has 16 divisors (see below), whose sum is σ = 703987200. Its totient is φ = 307292480.

The previous prime is 493940567. The next prime is 493940581. The reversal of 493940571 is 175049394.

It is a cyclic number.

It is not a de Polignac number, because 493940571 - 2² = 493940567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493940501) 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 15 ways as a sum of consecutive naturals, for example, 84471 + ... + 90128.

It is an arithmetic number, because the mean of its divisors is an integer number (43999200).

Almost surely, 2^493940571 is an apocalyptic number.

493940571 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

493940571 is a deficient number, since it is larger than the sum of its proper divisors (210046629).

493940571 is a wasteful number, since it uses less digits than its factorization.

493940571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174666.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 493940571 is about 22224.7738121224. The cubic root of 493940571 is about 790.4812380602.

The spelling of 493940571 in words is "four hundred ninety-three million, nine hundred forty thousand, five hundred seventy-one".