2825786 has 4 divisors (see below), whose sum is σ = 4238682. Its totient is φ = 1412892.

The previous prime is 2825783. The next prime is 2825819. The reversal of 2825786 is 6875282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6875282 = 2 ⋅3437641.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 25 = 1681^2 + 5^2 .

It is a d-powerful number, because it can be written as 2¹⁴ + 8⁵ + 2²⁰ + 5⁶ + 7² + 8⁵ + 6⁸ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2825783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706445 + ... + 706448.

2^2825786 is an apocalyptic number.

2825786 is a deficient number, since it is larger than the sum of its proper divisors (1412896).

2825786 is a wasteful number, since it uses less digits than its factorization.

2825786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412895.

The product of its digits is 53760, while the sum is 38.

The square root of 2825786 is about 1681.0074360335. The cubic root of 2825786 is about 141.3773237832.

The spelling of 2825786 in words is "two million, eight hundred twenty-five thousand, seven hundred eighty-six".