9898636 has 12 divisors (see below), whose sum is σ = 18897480. Its totient is φ = 4499360.

The previous prime is 9898633. The next prime is 9898649. The reversal of 9898636 is 6368989.

It is a self number, because there is not a number n which added to its sum of digits gives 9898636.

It is not an unprimeable number, because it can be changed into a prime (9898633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112441 + ... + 112528.

It is an arithmetic number, because the mean of its divisors is an integer number (1574790).

Almost surely, 2^9898636 is an apocalyptic number.

It is an amenable number.

9898636 is a deficient number, since it is larger than the sum of its proper divisors (8998844).

9898636 is a wasteful number, since it uses less digits than its factorization.

9898636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224984 (or 224982 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 9898636 is about 3146.2097832154. The cubic root of 9898636 is about 214.7130551002.

The spelling of 9898636 in words is "nine million, eight hundred ninety-eight thousand, six hundred thirty-six".