2109250 has 64 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 696000.

The previous prime is 2109223. The next prime is 2109253. The reversal of 2109250 is 529012.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2109253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35721 + ... + 35779.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2^2109250 is an apocalyptic number.

2109250 is an abundant number, since it is smaller than the sum of its proper divisors (2608190).

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

2109250 is a wasteful number, since it uses less digits than its factorization.

2109250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2109250 is about 1452.3257210419. The cubic root of 2109250 is about 128.2456626530.

The spelling of 2109250 in words is "two million, one hundred nine thousand, two hundred fifty".