2845923 has 8 divisors (see below), whose sum is σ = 3810048. Its totient is φ = 1889544.

The previous prime is 2845907. The next prime is 2845949. The reversal of 2845923 is 3295482.

It is a happy number.

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

It is not a de Polignac number, because 2845923 - 2⁴ = 2845907 is a prime.

It is an Ulam number.

2845923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2845903) 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, 1015 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (476256).

2^2845923 is an apocalyptic number.

2845923 is a deficient number, since it is larger than the sum of its proper divisors (964125).

2845923 is a wasteful number, since it uses less digits than its factorization.

2845923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its digits is 17280, while the sum is 33.

The square root of 2845923 is about 1686.9863662757. The cubic root of 2845923 is about 141.7123549676.

It can be divided in two parts, 284592 and 3, that multiplied together give a square (853776 = 924²).

The spelling of 2845923 in words is "two million, eight hundred forty-five thousand, nine hundred twenty-three".