9825090 has 64 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 2255040.

The previous prime is 9825037. The next prime is 9825107. The reversal of 9825090 is 905289.

9825090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5487 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^9825090 is an apocalyptic number.

It is a pronic number, being equal to 3134×3135.

It is a practical number, because each smaller number is the sum of distinct divisors of 9825090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

9825090 is an abundant number, since it is smaller than the sum of its proper divisors (17269950).

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

9825090 is a wasteful number, since it uses less digits than its factorization.

9825090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 9825090 is about 3134.4999601212. The cubic root of 9825090 is about 214.1799662356.

The spelling of 9825090 in words is "nine million, eight hundred twenty-five thousand, ninety".