2785895 has 24 divisors (see below), whose sum is σ = 3964464. Its totient is φ = 1873536.

The previous prime is 2785891. The next prime is 2785901. The reversal of 2785895 is 5985872.

It is not a de Polignac number, because 2785895 - 2² = 2785891 is a prime.

It is a super-2 number, since 2×2785895² = 15522421902050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20267 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (165186).

2^2785895 is an apocalyptic number.

2785895 is a deficient number, since it is larger than the sum of its proper divisors (1178569).

2785895 is a wasteful number, since it uses less digits than its factorization.

2785895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 232 counting only the distinct ones).

The product of its digits is 201600, while the sum is 44.

The square root of 2785895 is about 1669.1000569169. The cubic root of 2785895 is about 140.7089043316.

The spelling of 2785895 in words is "two million, seven hundred eighty-five thousand, eight hundred ninety-five".