9806902924 has 72 divisors (see below), whose sum is σ = 21721943040. Its totient is φ = 3839560704.

The previous prime is 9806902907. The next prime is 9806902939. The reversal of 9806902924 is 4292096089.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 227317 + ... + 266995.

Almost surely, 2^9806902924 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 9806902924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10860971520).

9806902924 is an abundant number, since it is smaller than the sum of its proper divisors (11915040116).

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

9806902924 is a wasteful number, since it uses less digits than its factorization.

With its successor (9806902925) it forms an eRAP, since the sums of their prime factors are consecutive (39807 and 39808).

9806902924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39807 (or 39798 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 9806902924 is about 99029.8082599376. The cubic root of 9806902924 is about 2140.4772950583.

The spelling of 9806902924 in words is "nine billion, eight hundred six million, nine hundred two thousand, nine hundred twenty-four".