2009250 has 96 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 496800.

The previous prime is 2009243. The next prime is 2009251. The reversal of 2009250 is 529002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2009251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42727 + ... + 42773.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2^2009250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2009250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920320).

2009250 is an abundant number, since it is smaller than the sum of its proper divisors (3831390).

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

2009250 is a wasteful number, since it uses less digits than its factorization.

2009250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2009250 is about 1417.4801585913. The cubic root of 2009250 is about 126.1860441351.

The spelling of 2009250 in words is "two million, nine thousand, two hundred fifty".