662828790 has 64 divisors (see below), whose sum is σ = 1716422400. Its totient is φ = 162847104.

The previous prime is 662828773. The next prime is 662828797. The reversal of 662828790 is 97828266.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662828797) 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, 255721 + ... + 258299.

It is an arithmetic number, because the mean of its divisors is an integer number (26819100).

Almost surely, 2^662828790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662828790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858211200).

662828790 is an abundant number, since it is smaller than the sum of its proper divisors (1053593610).

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

662828790 is a wasteful number, since it uses less digits than its factorization.

662828790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 662828790 is about 25745.4615417941. The cubic root of 662828790 is about 871.9008905609.

The spelling of 662828790 in words is "six hundred sixty-two million, eight hundred twenty-eight thousand, seven hundred ninety".