2905873 has 4 divisors (see below), whose sum is σ = 2910528. Its totient is φ = 2901220.

The previous prime is 2905867. The next prime is 2905891. The reversal of 2905873 is 3785092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2905873 - 2¹⁷ = 2774801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2905823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (727632).

2^2905873 is an apocalyptic number.

It is an amenable number.

2905873 is a deficient number, since it is larger than the sum of its proper divisors (4655).

2905873 is an equidigital number, since it uses as much as digits as its factorization.

2905873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2905873 is about 1704.6621366124. The cubic root of 2905873 is about 142.7005159102.

The spelling of 2905873 in words is "two million, nine hundred five thousand, eight hundred seventy-three".