2820995 has 8 divisors (see below), whose sum is σ = 3395616. Its totient is φ = 2249856.

The previous prime is 2820977. The next prime is 2821001. The reversal of 2820995 is 5990282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2820995 - 2¹² = 2816899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (424452).

2^2820995 is an apocalyptic number.

2820995 is a deficient number, since it is larger than the sum of its proper divisors (574621).

2820995 is a wasteful number, since it uses less digits than its factorization.

2820995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2820995 is about 1679.5817931854. The cubic root of 2820995 is about 141.2973788382.

The spelling of 2820995 in words is "two million, eight hundred twenty thousand, nine hundred ninety-five".