2820827 has 4 divisors (see below), whose sum is σ = 2986776. Its totient is φ = 2654880.

The previous prime is 2820821. The next prime is 2820833. The reversal of 2820827 is 7280282.

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

It is an interprime number because it is at equal distance from previous prime (2820821) and next prime (2820833).

It is a cyclic number.

It is not a de Polignac number, because 2820827 - 2¹⁸ = 2558683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2820827.

It is not an unprimeable number, because it can be changed into a prime (2820821) 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, 82949 + ... + 82982.

It is an arithmetic number, because the mean of its divisors is an integer number (746694).

2^2820827 is an apocalyptic number.

2820827 is a deficient number, since it is larger than the sum of its proper divisors (165949).

2820827 is a wasteful number, since it uses less digits than its factorization.

2820827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165948.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2820827 is about 1679.5317799911. The cubic root of 2820827 is about 141.2945738668.

The spelling of 2820827 in words is "two million, eight hundred twenty thousand, eight hundred twenty-seven".