9986606400 has 84 divisors (see below), whose sum is σ = 32764406912. Its totient is φ = 2663093760.

The previous prime is 9986606393. The next prime is 9986606407. The reversal of 9986606400 is 46066899.

It is an interprime number because it is at equal distance from previous prime (9986606393) and next prime (9986606407).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9986606400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986606407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035472 + ... + 1045071.

Almost surely, 2^9986606400 is an apocalyptic number.

It is an amenable number.

9986606400 is an abundant number, since it is smaller than the sum of its proper divisors (22777800512).

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

9986606400 is a wasteful number, since it uses less digits than its factorization.

9986606400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080568 (or 2080553 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 9986606400 is about 99933.0095614057. The cubic root of 9986606400 is about 2153.4724057401.

The spelling of 9986606400 in words is "nine billion, nine hundred eighty-six million, six hundred six thousand, four hundred".