9790449984 has 168 divisors, whose sum is σ = 32433036480. Its totient is φ = 2765740032.

The previous prime is 9790449961. The next prime is 9790450001. The reversal of 9790449984 is 4899440979.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345207 + ... + 372489.

Almost surely, 2^9790449984 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 9790449984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16216518240).

9790449984 is an abundant number, since it is smaller than the sum of its proper divisors (22642586496).

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

9790449984 is a wasteful number, since it uses less digits than its factorization.

9790449984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27397 (or 27384 counting only the distinct ones).

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

The square root of 9790449984 is about 98946.7027444573. The cubic root of 9790449984 is about 2139.2796061231.

The spelling of 9790449984 in words is "nine billion, seven hundred ninety million, four hundred forty-nine thousand, nine hundred eighty-four".