997026030 has 768 divisors, whose sum is σ = 3971358720. Its totient is φ = 174182400.

The previous prime is 997026001. The next prime is 997026031. The reversal of 997026030 is 30620799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997026031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 32162115 + ... + 32162145.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^997026030 is an apocalyptic number.

997026030 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 997026030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985679360).

997026030 is an abundant number, since it is smaller than the sum of its proper divisors (2974332690).

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

997026030 is a wasteful number, since it uses less digits than its factorization.

997026030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 997026030 is about 31575.7189941892. The cubic root of 997026030 is about 999.0076923178.

The spelling of 997026030 in words is "nine hundred ninety-seven million, twenty-six thousand, thirty".