2485890 has 112 divisors (see below), whose sum is σ = 7554816. Its totient is φ = 583200.

The previous prime is 2485867. The next prime is 2485897. The reversal of 2485890 is 985842.

2485890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2485897) 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 55 ways as a sum of consecutive naturals, for example, 80175 + ... + 80205.

2^2485890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2485890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777408).

2485890 is an abundant number, since it is smaller than the sum of its proper divisors (5068926).

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

2485890 is a wasteful number, since it uses less digits than its factorization.

2485890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2485890 is about 1576.6705426309. The cubic root of 2485890 is about 135.4650627281.

It can be divided in two parts, 2485 and 890, that added together give a cube (3375 = 15³).

The spelling of 2485890 in words is "two million, four hundred eighty-five thousand, eight hundred ninety".