9706903920 has 600 divisors, whose sum is σ = 41307512400. Its totient is φ = 2100639744.

The previous prime is 9706903919. The next prime is 9706903949. The reversal of 9706903920 is 293096079.

It is a super-2 number, since 2×9706903920² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6032076 + ... + 6033684.

It is an arithmetic number, because the mean of its divisors is an integer number (68845854).

Almost surely, 2^9706903920 is an apocalyptic number.

9706903920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9706903920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20653756200).

9706903920 is an abundant number, since it is smaller than the sum of its proper divisors (31600608480).

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

9706903920 is a wasteful number, since it uses less digits than its factorization.

9706903920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 9706903920 is about 98523.6211271185. The cubic root of 9706903920 is about 2133.1770877322.

Adding to 9706903920 its reverse (293096079), we get a palindrome (9999999999).

The spelling of 9706903920 in words is "nine billion, seven hundred six million, nine hundred three thousand, nine hundred twenty".