2785957 has 4 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 2781196.

The previous prime is 2785907. The next prime is 2785961. The reversal of 2785957 is 7595872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2785957 - 2¹¹ = 2783909 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 7³ + 8⁴ + 5² + 9³ + 5⁹ + 7⁷ .

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

2^2785957 is an apocalyptic number.

It is an amenable number.

2785957 is a deficient number, since it is larger than the sum of its proper divisors (4763).

2785957 is an equidigital number, since it uses as much as digits as its factorization.

2785957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762.

The product of its digits is 176400, while the sum is 43.

The square root of 2785957 is about 1669.1186296965. The cubic root of 2785957 is about 140.7099481478.

The spelling of 2785957 in words is "two million, seven hundred eighty-five thousand, nine hundred fifty-seven".