997061184 has 224 divisors, whose sum is σ = 3459276800. Its totient is φ = 275581440.

The previous prime is 997061183. The next prime is 997061213. The reversal of 997061184 is 481160799.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997061183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373647 + ... + 376305.

It is an arithmetic number, because the mean of its divisors is an integer number (15443200).

Almost surely, 2^997061184 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 997061184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729638400).

997061184 is an abundant number, since it is smaller than the sum of its proper divisors (2462215616).

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

997061184 is a wasteful number, since it uses less digits than its factorization.

997061184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 997061184 is about 31576.2756511910. The cubic root of 997061184 is about 999.0194334702.

The spelling of 997061184 in words is "nine hundred ninety-seven million, sixty-one thousand, one hundred eighty-four".