9896240 has 40 divisors (see below), whose sum is σ = 23251488. Its totient is φ = 3916800.

The previous prime is 9896239. The next prime is 9896267. The reversal of 9896240 is 426989.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×9896240² = 195871132275200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9896194 and 9896203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7640 + ... + 8840.

Almost surely, 2^9896240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9896240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11625744).

9896240 is an abundant number, since it is smaller than the sum of its proper divisors (13355248).

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

9896240 is a wasteful number, since it uses less digits than its factorization.

9896240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9896240 is about 3145.8289845445. The cubic root of 9896240 is about 214.6957296830.

The spelling of 9896240 in words is "nine million, eight hundred ninety-six thousand, two hundred forty".