997241284 has 72 divisors (see below), whose sum is σ = 2022094368. Its totient is φ = 428613120.

The previous prime is 997241281. The next prime is 997241309. The reversal of 997241284 is 482142799.

997241284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×997241284³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997241281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229239 + ... + 1230049.

It is an arithmetic number, because the mean of its divisors is an integer number (28084644).

Almost surely, 2^997241284 is an apocalyptic number.

It is an amenable number.

997241284 is an abundant number, since it is smaller than the sum of its proper divisors (1024853084).

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

997241284 is a wasteful number, since it uses less digits than its factorization.

997241284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 950 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 997241284 is about 31579.1273470310. The cubic root of 997241284 is about 999.0795810889.

The spelling of 997241284 in words is "nine hundred ninety-seven million, two hundred forty-one thousand, two hundred eighty-four".