9928027 has 4 divisors (see below), whose sum is σ = 10170216. Its totient is φ = 9685840.

The previous prime is 9928021. The next prime is 9928043. The reversal of 9928027 is 7208299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7208299 = 7 ⋅1029757.

It is a de Polignac number, because none of the positive numbers 2^k-9928027 is a prime.

It is a super-2 number, since 2×9928027² = 197131440225458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928021) 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, 121033 + ... + 121114.

It is an arithmetic number, because the mean of its divisors is an integer number (2542554).

Almost surely, 2^9928027 is an apocalyptic number.

9928027 is a deficient number, since it is larger than the sum of its proper divisors (242189).

9928027 is a wasteful number, since it uses less digits than its factorization.

9928027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242188.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9928027 is about 3150.8771794534. The cubic root of 9928027 is about 214.9253535707.

The spelling of 9928027 in words is "nine million, nine hundred twenty-eight thousand, twenty-seven".