997380048 has 80 divisors (see below), whose sum is σ = 2962873856. Its totient is φ = 283201920.

The previous prime is 997380037. The next prime is 997380049. The reversal of 997380048 is 840083799.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 997379979 and 997380006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997380049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45663 + ... + 63873.

Almost surely, 2^997380048 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 997380048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481436928).

997380048 is an abundant number, since it is smaller than the sum of its proper divisors (1965493808).

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

997380048 is a wasteful number, since it uses less digits than its factorization.

997380048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392 (or 18386 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 997380048 is about 31581.3243547512. The cubic root of 997380048 is about 999.1259188715.

The spelling of 997380048 in words is "nine hundred ninety-seven million, three hundred eighty thousand, forty-eight".