9770644 has 12 divisors (see below), whose sum is σ = 18414004. Its totient is φ = 4509504.

The previous prime is 9770633. The next prime is 9770647. The reversal of 9770644 is 4460779.

It can be written as a sum of positive squares in 2 ways, for example, as 407044 + 9363600 = 638^2 + 3060^2 .

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, 93897 + ... + 94000.

Almost surely, 2^9770644 is an apocalyptic number.

It is an amenable number.

9770644 is a deficient number, since it is larger than the sum of its proper divisors (8643360).

9770644 is a wasteful number, since it uses less digits than its factorization.

9770644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187914 (or 187912 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 9770644 is about 3125.8029368468. The cubic root of 9770644 is about 213.7836051721.

The spelling of 9770644 in words is "nine million, seven hundred seventy thousand, six hundred forty-four".