2800923 has 8 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1768968.

The previous prime is 2800921. The next prime is 2800927. The reversal of 2800923 is 3290082.

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

It is not a de Polignac number, because 2800923 - 2¹ = 2800921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2800893 and 2800902.

It is not an unprimeable number, because it can be changed into a prime (2800921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24513 + ... + 24626.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

2^2800923 is an apocalyptic number.

2800923 is a deficient number, since it is larger than the sum of its proper divisors (1130277).

2800923 is a wasteful number, since it uses less digits than its factorization.

2800923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49161.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2800923 is about 1673.5958293447. The cubic root of 2800923 is about 140.9614602178.

The spelling of 2800923 in words is "two million, eight hundred thousand, nine hundred twenty-three".