492728994 has 60 divisors (see below), whose sum is σ = 1119650994. Its totient is φ = 161949888.

The previous prime is 492728993. The next prime is 492729043. The reversal of 492728994 is 499827294.

492728994 is a `hidden beast` number, since 492 + 72 + 89 + 9 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 246647025 + 246081969 = 15705^2 + 15687^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 492728994.

It is not an unprimeable number, because it can be changed into a prime (492728993) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3306832 + ... + 3306980.

Almost surely, 2^492728994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492728994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559825497).

492728994 is an abundant number, since it is smaller than the sum of its proper divisors (626922000).

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

492728994 is a wasteful number, since it uses less digits than its factorization.

492728994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 291 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 492728994 is about 22197.4997240680. The cubic root of 492728994 is about 789.8343903240.

The spelling of 492728994 in words is "four hundred ninety-two million, seven hundred twenty-eight thousand, nine hundred ninety-four".