9124896820 has 24 divisors (see below), whose sum is σ = 20636305704. Its totient is φ = 3369192576.

The previous prime is 9124896811. The next prime is 9124896857. The reversal of 9124896820 is 286984219.

It can be written as a sum of positive squares in 4 ways, for example, as 1471796496 + 7653100324 = 38364^2 + 87482^2 .

It is a super-2 number, since 2×9124896820² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17547619 + ... + 17548138.

It is an arithmetic number, because the mean of its divisors is an integer number (859846071).

Almost surely, 2^9124896820 is an apocalyptic number.

It is an amenable number.

9124896820 is an abundant number, since it is smaller than the sum of its proper divisors (11511408884).

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

9124896820 is a wasteful number, since it uses less digits than its factorization.

9124896820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35095779 (or 35095777 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 9124896820 is about 95524.3258023840. The cubic root of 9124896820 is about 2089.6617219195.

The spelling of 9124896820 in words is "nine billion, one hundred twenty-four million, eight hundred ninety-six thousand, eight hundred twenty".