9965748 has 48 divisors (see below), whose sum is σ = 25247936. Its totient is φ = 3041280.

The previous prime is 9965743. The next prime is 9965759. The reversal of 9965748 is 8475699.

It is a super-2 number, since 2×9965748² = 198632266399008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9965697 and 9965706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29943 + ... + 30273.

Almost surely, 2^9965748 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 9965748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12623968).

9965748 is an abundant number, since it is smaller than the sum of its proper divisors (15282188).

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

9965748 is a wasteful number, since it uses less digits than its factorization.

9965748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 9965748 is about 3156.8572980102. The cubic root of 9965748 is about 215.1972086351.

The spelling of 9965748 in words is "nine million, nine hundred sixty-five thousand, seven hundred forty-eight".