9965028 has 12 divisors (see below), whose sum is σ = 23251760. Its totient is φ = 3321672.

The previous prime is 9965027. The next prime is 9965029. The reversal of 9965028 is 8205699.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9965027) and next prime (9965029).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9965023) 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, 415198 + ... + 415221.

Almost surely, 2^9965028 is an apocalyptic number.

It is an amenable number.

9965028 is an abundant number, since it is smaller than the sum of its proper divisors (13286732).

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

9965028 is a wasteful number, since it uses less digits than its factorization.

9965028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830426 (or 830424 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 9965028 is about 3156.7432584865. The cubic root of 9965028 is about 215.1920260263.

The spelling of 9965028 in words is "nine million, nine hundred sixty-five thousand, twenty-eight".