9641898 has 48 divisors (see below), whose sum is σ = 24298560. Its totient is φ = 2706048.

The previous prime is 9641893. The next prime is 9641917. The reversal of 9641898 is 8981469.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9641893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6786 + ... + 8082.

It is an arithmetic number, because the mean of its divisors is an integer number (506220).

Almost surely, 2^9641898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9641898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12149280).

9641898 is an abundant number, since it is smaller than the sum of its proper divisors (14656662).

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

9641898 is a wasteful number, since it uses less digits than its factorization.

9641898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1368 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9641898 is about 3105.1405765279. The cubic root of 9641898 is about 212.8404544841.

The spelling of 9641898 in words is "nine million, six hundred forty-one thousand, eight hundred ninety-eight".