493851790 has 16 divisors (see below), whose sum is σ = 889186320. Its totient is φ = 197484480.

The previous prime is 493851779. The next prime is 493851811. The reversal of 493851790 is 97158394.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 493851790.

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, 64801 + ... + 72019.

It is an arithmetic number, because the mean of its divisors is an integer number (55574145).

Almost surely, 2^493851790 is an apocalyptic number.

493851790 is a deficient number, since it is larger than the sum of its proper divisors (395334530).

493851790 is a wasteful number, since it uses less digits than its factorization.

493851790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14067.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 493851790 is about 22222.7763792016. The cubic root of 493851790 is about 790.4338747915.

The spelling of 493851790 in words is "four hundred ninety-three million, eight hundred fifty-one thousand, seven hundred ninety".