9850208646 has 128 divisors (see below), whose sum is σ = 22861578240. Its totient is φ = 2808691200.

The previous prime is 9850208633. The next prime is 9850208647. The reversal of 9850208646 is 6468020589.

It is a happy number.

It is a super-2 number, since 2×9850208646² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9850208595 and 9850208604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850208647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7629261 + ... + 7630551.

It is an arithmetic number, because the mean of its divisors is an integer number (178606080).

Almost surely, 2^9850208646 is an apocalyptic number.

9850208646 is an abundant number, since it is smaller than the sum of its proper divisors (13011369594).

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

9850208646 is a wasteful number, since it uses less digits than its factorization.

9850208646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 9850208646 is about 99248.2173441921. The cubic root of 9850208646 is about 2143.6233377711.

The spelling of 9850208646 in words is "nine billion, eight hundred fifty million, two hundred eight thousand, six hundred forty-six".