9985628 has 12 divisors (see below), whose sum is σ = 18077640. Its totient is φ = 4820592.

The previous prime is 9985607. The next prime is 9985631. The reversal of 9985628 is 8265899.

9985628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42926 + ... + 43157.

It is an arithmetic number, because the mean of its divisors is an integer number (1506470).

Almost surely, 2^9985628 is an apocalyptic number.

It is an amenable number.

9985628 is a deficient number, since it is larger than the sum of its proper divisors (8092012).

9985628 is a wasteful number, since it uses less digits than its factorization.

9985628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86116 (or 86114 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 9985628 is about 3160.0044303766. The cubic root of 9985628 is about 215.3402077338.

The spelling of 9985628 in words is "nine million, nine hundred eighty-five thousand, six hundred twenty-eight".