2085540 has 24 divisors (see below), whose sum is σ = 5839680. Its totient is φ = 556128.

The previous prime is 2085539. The next prime is 2085569. The reversal of 2085540 is 455802.

It is a self number, because there is not a number n which added to its sum of digits gives 2085540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17320 + ... + 17439.

It is an arithmetic number, because the mean of its divisors is an integer number (243320).

2^2085540 is an apocalyptic number.

2085540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2085540 is an abundant number, since it is smaller than the sum of its proper divisors (3754140).

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

2085540 is a wasteful number, since it uses less digits than its factorization.

2085540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34771 (or 34769 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2085540 is about 1444.1398824214. The cubic root of 2085540 is about 127.7633158736.

The spelling of 2085540 in words is "two million, eighty-five thousand, five hundred forty".