662998928 has 40 divisors (see below), whose sum is σ = 1339438080. Its totient is φ = 317520000.

The previous prime is 662998927. The next prime is 662998933. The reversal of 662998928 is 829899266.

It is not an unprimeable number, because it can be changed into a prime (662998927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53303 + ... + 64553.

It is an arithmetic number, because the mean of its divisors is an integer number (33485952).

Almost surely, 2^662998928 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 662998928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669719040).

662998928 is an abundant number, since it is smaller than the sum of its proper divisors (676439152).

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

662998928 is a wasteful number, since it uses less digits than its factorization.

662998928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415 (or 11409 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The square root of 662998928 is about 25748.7655626440. The cubic root of 662998928 is about 871.9754853810.

The spelling of 662998928 in words is "six hundred sixty-two million, nine hundred ninety-eight thousand, nine hundred twenty-eight".