493422660 has 72 divisors (see below), whose sum is σ = 1545014016. Its totient is φ = 127333440.

The previous prime is 493422641. The next prime is 493422661. The reversal of 493422660 is 66224394.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (493422661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38634 + ... + 49793.

It is an arithmetic number, because the mean of its divisors is an integer number (21458528).

Almost surely, 2^493422660 is an apocalyptic number.

It is an amenable number.

493422660 is an abundant number, since it is smaller than the sum of its proper divisors (1051591356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493422660 is a wasteful number, since it uses less digits than its factorization.

493422660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88473 (or 88468 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 493422660 is about 22213.1190966060. The cubic root of 493422660 is about 790.2048606140.

The spelling of 493422660 in words is "four hundred ninety-three million, four hundred twenty-two thousand, six hundred sixty".