997936848 has 240 divisors, whose sum is σ = 3099206400. Its totient is φ = 311148864.

The previous prime is 997936847. The next prime is 997936871. The reversal of 997936848 is 848639799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997936847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12632073 + ... + 12632151.

It is an arithmetic number, because the mean of its divisors is an integer number (12913360).

Almost surely, 2^997936848 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 997936848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549603200).

997936848 is an abundant number, since it is smaller than the sum of its proper divisors (2101269552).

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

997936848 is an equidigital number, since it uses as much as digits as its factorization.

997936848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 103 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 997936848 is about 31590.1384612350. The cubic root of 997936848 is about 999.3118091687.

The spelling of 997936848 in words is "nine hundred ninety-seven million, nine hundred thirty-six thousand, eight hundred forty-eight".