9770208 has 144 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 2661120.

The previous prime is 9770207. The next prime is 9770209. The reversal of 9770208 is 8020779.

It is an interprime number because it is at equal distance from previous prime (9770207) and next prime (9770209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145791 + ... + 145857.

It is an arithmetic number, because the mean of its divisors is an integer number (217056).

Almost surely, 2^9770208 is an apocalyptic number.

9770208 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9770208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15628032).

9770208 is an abundant number, since it is smaller than the sum of its proper divisors (21485856).

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

9770208 is a wasteful number, since it uses less digits than its factorization.

9770208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 9770208 is about 3125.7331939883. The cubic root of 9770208 is about 213.7804252029.

The spelling of 9770208 in words is "nine million, seven hundred seventy thousand, two hundred eight".