492479790 has 64 divisors (see below), whose sum is σ = 1293304320. Its totient is φ = 119027840.

The previous prime is 492479789. The next prime is 492479797. The reversal of 492479790 is 97974294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492479797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116392 + ... + 120548.

It is an arithmetic number, because the mean of its divisors is an integer number (20207880).

Almost surely, 2^492479790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492479790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646652160).

492479790 is an abundant number, since it is smaller than the sum of its proper divisors (800824530).

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

492479790 is a wasteful number, since it uses less digits than its factorization.

492479790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 492479790 is about 22191.8856792297. The cubic root of 492479790 is about 789.7012115826.

The spelling of 492479790 in words is "four hundred ninety-two million, four hundred seventy-nine thousand, seven hundred ninety".