493487870 has 16 divisors (see below), whose sum is σ = 912286368. Its totient is φ = 192060000.

The previous prime is 493487861. The next prime is 493487881. The reversal of 493487870 is 78784394.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 666506 + ... + 667245.

It is an arithmetic number, because the mean of its divisors is an integer number (57017898).

Almost surely, 2^493487870 is an apocalyptic number.

493487870 is a deficient number, since it is larger than the sum of its proper divisors (418798498).

493487870 is a wasteful number, since it uses less digits than its factorization.

493487870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333795.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 493487870 is about 22214.5868743940. The cubic root of 493487870 is about 790.2396698443.

The spelling of 493487870 in words is "four hundred ninety-three million, four hundred eighty-seven thousand, eight hundred seventy".