493781256 has 96 divisors (see below), whose sum is σ = 1362160800. Its totient is φ = 161568000.

The previous prime is 493781219. The next prime is 493781257. The reversal of 493781256 is 652187394.

It is not an unprimeable number, because it can be changed into a prime (493781257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1608255 + ... + 1608561.

It is an arithmetic number, because the mean of its divisors is an integer number (14189175).

Almost surely, 2^493781256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493781256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681080400).

493781256 is an abundant number, since it is smaller than the sum of its proper divisors (868379544).

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

493781256 is a wasteful number, since it uses less digits than its factorization.

493781256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 652 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 493781256 is about 22221.1893471074. The cubic root of 493781256 is about 790.3962419642.

The spelling of 493781256 in words is "four hundred ninety-three million, seven hundred eighty-one thousand, two hundred fifty-six".