9640260 has 108 divisors (see below), whose sum is σ = 34047468. Its totient is φ = 2201472.

The previous prime is 9640259. The next prime is 9640297. The reversal of 9640260 is 620469.

It can be written as a sum of positive squares in 2 ways, for example, as 7225344 + 2414916 = 2688^2 + 1554^2 .

It is a super-2 number, since 2×9640260² = 185869225735200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8274 + ... + 9366.

Almost surely, 2^9640260 is an apocalyptic number.

9640260 is a gapful number since it is divisible by the number (90) 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 9640260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17023734).

9640260 is an abundant number, since it is smaller than the sum of its proper divisors (24407208).

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

9640260 is a wasteful number, since it uses less digits than its factorization.

9640260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 9640260 is about 3104.8768091504. The cubic root of 9640260 is about 212.8284011031.

The spelling of 9640260 in words is "nine million, six hundred forty thousand, two hundred sixty".