9025830 has 80 divisors (see below), whose sum is σ = 26501904. Its totient is φ = 2185920.

The previous prime is 9025813. The next prime is 9025837. The reversal of 9025830 is 385209.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 9025794 and 9025803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9025837) 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 39 ways as a sum of consecutive naturals, for example, 8404 + ... + 9416.

Almost surely, 2^9025830 is an apocalyptic number.

9025830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9025830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13250952).

9025830 is an abundant number, since it is smaller than the sum of its proper divisors (17476074).

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

9025830 is a wasteful number, since it uses less digits than its factorization.

9025830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 9025830 is about 3004.3019155870. The cubic root of 9025830 is about 208.2071869223.

The spelling of 9025830 in words is "nine million, twenty-five thousand, eight hundred thirty".