9349428 has 72 divisors (see below), whose sum is σ = 24667776. Its totient is φ = 2752640.

The previous prime is 9349427. The next prime is 9349429. The reversal of 9349428 is 8249439.

It is an interprime number because it is at equal distance from previous prime (9349427) and next prime (9349429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9349421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 68176 + ... + 68312.

It is an arithmetic number, because the mean of its divisors is an integer number (342608).

Almost surely, 2^9349428 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 9349428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12333888).

9349428 is an abundant number, since it is smaller than the sum of its proper divisors (15318348).

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

9349428 is a wasteful number, since it uses less digits than its factorization.

9349428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 200 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 9349428 is about 3057.6834368522. The cubic root of 9349428 is about 210.6662738781. Note that the first 3 decimals are identical.

The spelling of 9349428 in words is "nine million, three hundred forty-nine thousand, four hundred twenty-eight".