2820923 has 8 divisors (see below), whose sum is σ = 3302880. Its totient is φ = 2358720.

The previous prime is 2820919. The next prime is 2820941. The reversal of 2820923 is 3290282.

2820923 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2820923 - 2² = 2820919 is a prime.

2820923 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2820892 and 2820901.

It is not an unprimeable number, because it can be changed into a prime (2820913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4628 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (412860).

2^2820923 is an apocalyptic number.

2820923 is a deficient number, since it is larger than the sum of its proper divisors (481957).

2820923 is an equidigital number, since it uses as much as digits as its factorization.

2820923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2820923 is about 1679.5603591416. The cubic root of 2820923 is about 141.2961767212.

The spelling of 2820923 in words is "two million, eight hundred twenty thousand, nine hundred twenty-three".