9700390128 has 320 divisors, whose sum is σ = 31722969600. Its totient is φ = 2508718080.

The previous prime is 9700390127. The next prime is 9700390199. The reversal of 9700390128 is 8210930079.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9700390127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6883888 + ... + 6885296.

It is an arithmetic number, because the mean of its divisors is an integer number (99134280).

Almost surely, 2^9700390128 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 9700390128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15861484800).

9700390128 is an abundant number, since it is smaller than the sum of its proper divisors (22022579472).

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

9700390128 is a wasteful number, since it uses less digits than its factorization.

9700390128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 9700390128 is about 98490.5585728906. The cubic root of 9700390128 is about 2132.6998266952.

The spelling of 9700390128 in words is "nine billion, seven hundred million, three hundred ninety thousand, one hundred twenty-eight".