9982399970 has 48 divisors (see below), whose sum is σ = 19218755520. Its totient is φ = 3726053760.

The previous prime is 9982399937. The next prime is 9982399979. The reversal of 9982399970 is 799932899.

It is a super-2 number, since 2×9982399970² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9982399897 and 9982399906.

It is not an unprimeable number, because it can be changed into a prime (9982399979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373721 + ... + 399539.

It is an arithmetic number, because the mean of its divisors is an integer number (400390740).

Almost surely, 2^9982399970 is an apocalyptic number.

9982399970 is a deficient number, since it is larger than the sum of its proper divisors (9236355550).

9982399970 is a wasteful number, since it uses less digits than its factorization.

9982399970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25931 (or 25890 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 65.

The square root of 9982399970 is about 99911.9610957567. The cubic root of 9982399970 is about 2153.1700106223.

The spelling of 9982399970 in words is "nine billion, nine hundred eighty-two million, three hundred ninety-nine thousand, nine hundred seventy".