9136428 has 48 divisors (see below), whose sum is σ = 25428480. Its totient is φ = 2496384.

The previous prime is 9136417. The next prime is 9136441. The reversal of 9136428 is 8246319.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (529760).

Almost surely, 2^9136428 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 9136428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12714240).

9136428 is an abundant number, since it is smaller than the sum of its proper divisors (16292052).

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

9136428 is a wasteful number, since it uses less digits than its factorization.

9136428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4764 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 9136428 is about 3022.6524775435. The cubic root of 9136428 is about 209.0541590220.

The spelling of 9136428 in words is "nine million, one hundred thirty-six thousand, four hundred twenty-eight".