2085440 has 112 divisors (see below), whose sum is σ = 6096000. Its totient is φ = 677376.

The previous prime is 2085409. The next prime is 2085469. The reversal of 2085440 is 445802.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109751 + ... + 109769.

2^2085440 is an apocalyptic number.

2085440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048000).

2085440 is an abundant number, since it is smaller than the sum of its proper divisors (4010560).

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

2085440 is an equidigital number, since it uses as much as digits as its factorization.

2085440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2085440 is about 1444.1052593215. The cubic root of 2085440 is about 127.7612737908.

The spelling of 2085440 in words is "two million, eighty-five thousand, four hundred forty".