9770648 has 16 divisors (see below), whose sum is σ = 19397880. Its totient is φ = 4597888.

The previous prime is 9770647. The next prime is 9770659. The reversal of 9770648 is 8460779.

9770648 = 37² + 38² + ... + 308².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770647) 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, 35786 + ... + 36057.

Almost surely, 2^9770648 is an apocalyptic number.

It is an amenable number.

9770648 is a deficient number, since it is larger than the sum of its proper divisors (9627232).

9770648 is a wasteful number, since it uses less digits than its factorization.

9770648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71866 (or 71862 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 9770648 is about 3125.8035766823. The cubic root of 9770648 is about 213.7836343456.

The spelling of 9770648 in words is "nine million, seven hundred seventy thousand, six hundred forty-eight".