2090385 has 48 divisors (see below), whose sum is σ = 4088448. Its totient is φ = 979200.

The previous prime is 2090381. The next prime is 2090441. The reversal of 2090385 is 5830902.

It is not a de Polignac number, because 2090385 - 2² = 2090381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20244 + ... + 20346.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2^2090385 is an apocalyptic number.

It is an amenable number.

2090385 is a deficient number, since it is larger than the sum of its proper divisors (1998063).

2090385 is a wasteful number, since it uses less digits than its factorization.

2090385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2090385 is about 1445.8163783828. The cubic root of 2090385 is about 127.8621766853.

The spelling of 2090385 in words is "two million, ninety thousand, three hundred eighty-five".