492987968 has 56 divisors (see below), whose sum is σ = 1071152544. Its totient is φ = 223257600.

The previous prime is 492987967. The next prime is 492987983. The reversal of 492987968 is 869789294.

It is a self number, because there is not a number n which added to its sum of digits gives 492987968.

It is not an unprimeable number, because it can be changed into a prime (492987967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214988 + ... + 217268.

It is an arithmetic number, because the mean of its divisors is an integer number (19127724).

Almost surely, 2^492987968 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 492987968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535576272).

492987968 is an abundant number, since it is smaller than the sum of its proper divisors (578164576).

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

492987968 is a wasteful number, since it uses less digits than its factorization.

492987968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611 (or 2601 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The square root of 492987968 is about 22203.3323625081. The cubic root of 492987968 is about 789.9727427438.

The spelling of 492987968 in words is "four hundred ninety-two million, nine hundred eighty-seven thousand, nine hundred sixty-eight".