9980370 has 48 divisors (see below), whose sum is σ = 26139672. Its totient is φ = 2641920.

The previous prime is 9980363. The next prime is 9980389. The reversal of 9980370 is 730899.

It can be written as a sum of positive squares in 4 ways, for example, as 9979281 + 1089 = 3159^2 + 33^2 .

It is a congruent number.

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, 15250 + ... + 15890.

Almost surely, 2^9980370 is an apocalyptic number.

9980370 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9980370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13069836).

9980370 is an abundant number, since it is smaller than the sum of its proper divisors (16159302).

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

9980370 is a wasteful number, since it uses less digits than its factorization.

9980370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9980370 is about 3159.1723599703. The cubic root of 9980370 is about 215.3024048167.

The spelling of 9980370 in words is "nine million, nine hundred eighty thousand, three hundred seventy".