9421628 has 12 divisors (see below), whose sum is σ = 17204880. Its totient is φ = 4505952.

The previous prime is 9421609. The next prime is 9421631. The reversal of 9421628 is 8261249.

It is a junction number, because it is equal to n+sod(n) for n = 9421594 and 9421603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51113 + ... + 51296.

It is an arithmetic number, because the mean of its divisors is an integer number (1433740).

Almost surely, 2^9421628 is an apocalyptic number.

It is an amenable number.

9421628 is a deficient number, since it is larger than the sum of its proper divisors (7783252).

9421628 is a wasteful number, since it uses less digits than its factorization.

9421628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102436 (or 102434 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 9421628 is about 3069.4670547181. The cubic root of 9421628 is about 211.2071668348.

The spelling of 9421628 in words is "nine million, four hundred twenty-one thousand, six hundred twenty-eight".