9898626240 has 84 divisors (see below), whose sum is σ = 34047159744. Its totient is φ = 2639632896.

The previous prime is 9898626239. The next prime is 9898626247. The reversal of 9898626240 is 426268989.

It is a happy number.

9898626240 is a `hidden beast` number, since 9 + 8 + 9 + 8 + 6 + 2 + 624 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (9898626247) 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, 1715632 + ... + 1721391.

Almost surely, 2^9898626240 is an apocalyptic number.

9898626240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9898626240 is an abundant number, since it is smaller than the sum of its proper divisors (24148533504).

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

9898626240 is a wasteful number, since it uses less digits than its factorization.

9898626240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437046 (or 3437033 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 9898626240 is about 99491.8400674146. The cubic root of 9898626240 is about 2147.1298453154.

The spelling of 9898626240 in words is "nine billion, eight hundred ninety-eight million, six hundred twenty-six thousand, two hundred forty".