2085386 has 4 divisors (see below), whose sum is σ = 3128082. Its totient is φ = 1042692.

The previous prime is 2085379. The next prime is 2085409. The reversal of 2085386 is 6835802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 570025 = 1231^2 + 755^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 521345 + ... + 521348.

2^2085386 is an apocalyptic number.

2085386 is a deficient number, since it is larger than the sum of its proper divisors (1042696).

2085386 is a wasteful number, since it uses less digits than its factorization.

2085386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042695.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2085386 is about 1444.0865625024. The cubic root of 2085386 is about 127.7601710390.

The spelling of 2085386 in words is "two million, eighty-five thousand, three hundred eighty-six".