493381770 has 128 divisors (see below), whose sum is σ = 1396071936. Its totient is φ = 109264896.

The previous prime is 493381753. The next prime is 493381789. The reversal of 493381770 is 77183394.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1079382 + ... + 1079838.

It is an arithmetic number, because the mean of its divisors is an integer number (10906812).

Almost surely, 2^493381770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493381770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698035968).

493381770 is an abundant number, since it is smaller than the sum of its proper divisors (902690166).

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

493381770 is a wasteful number, since it uses less digits than its factorization.

493381770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 493381770 is about 22212.1986755026. The cubic root of 493381770 is about 790.1830318845.

The spelling of 493381770 in words is "four hundred ninety-three million, three hundred eighty-one thousand, seven hundred seventy".