9169020 has 144 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 1980288.

The previous prime is 9169003. The next prime is 9169021. The reversal of 9169020 is 209619.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9169021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 23749 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (232960).

Almost surely, 2^9169020 is an apocalyptic number.

9169020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9169020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16773120).

9169020 is an abundant number, since it is smaller than the sum of its proper divisors (24377220).

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

9169020 is a wasteful number, since it uses less digits than its factorization.

9169020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 9169020 is about 3028.0389693661. The cubic root of 9169020 is about 209.3024474246.

The spelling of 9169020 in words is "nine million, one hundred sixty-nine thousand, twenty".