2785947 has 4 divisors (see below), whose sum is σ = 3714600. Its totient is φ = 1857296.

The previous prime is 2785907. The next prime is 2785961. The reversal of 2785947 is 7495872.

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

It is a cyclic number.

It is not a de Polignac number, because 2785947 - 2¹⁴ = 2769563 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2785899 and 2785908.

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, 464322 + ... + 464327.

It is an arithmetic number, because the mean of its divisors is an integer number (928650).

2^2785947 is an apocalyptic number.

2785947 is a deficient number, since it is larger than the sum of its proper divisors (928653).

2785947 is an equidigital number, since it uses as much as digits as its factorization.

2785947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928652.

The product of its digits is 141120, while the sum is 42.

The square root of 2785947 is about 1669.1156341009. The cubic root of 2785947 is about 140.7097797914.

The spelling of 2785947 in words is "two million, seven hundred eighty-five thousand, nine hundred forty-seven".