9870826392 has 96 divisors (see below), whose sum is σ = 30599006880. Its totient is φ = 2815948800.

The previous prime is 9870826313. The next prime is 9870826397. The reversal of 9870826392 is 2936280789.

It is a happy number.

It is a super-3 number, since 3×9870826392³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870826397) 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, 324642 + ... + 353742.

It is an arithmetic number, because the mean of its divisors is an integer number (318739655).

Almost surely, 2^9870826392 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 9870826392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15299503440).

9870826392 is an abundant number, since it is smaller than the sum of its proper divisors (20728180488).

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

9870826392 is a wasteful number, since it uses less digits than its factorization.

9870826392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29793 (or 29786 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 9870826392 is about 99352.0326515769. The cubic root of 9870826392 is about 2145.1179213702.

The spelling of 9870826392 in words is "nine billion, eight hundred seventy million, eight hundred twenty-six thousand, three hundred ninety-two".