2820097 has 12 divisors (see below), whose sum is σ = 3333360. Its totient is φ = 2378376.

The previous prime is 2820089. The next prime is 2820109. The reversal of 2820097 is 7900282.

It is not a de Polignac number, because 2820097 - 2³ = 2820089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2854 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (277780).

It is a Proth number, since it is equal to 1377 ⋅ 2¹¹ + 1 and 1377 < 2¹¹.

2^2820097 is an apocalyptic number.

It is an amenable number.

2820097 is a deficient number, since it is larger than the sum of its proper divisors (513263).

2820097 is an equidigital number, since it uses as much as digits as its factorization.

2820097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2820097 is about 1679.3144434560. The cubic root of 2820097 is about 141.2823843047.

The spelling of 2820097 in words is "two million, eight hundred twenty thousand, ninety-seven".