2928005 has 4 divisors (see below), whose sum is σ = 3513612. Its totient is φ = 2342400.

The previous prime is 2927983. The next prime is 2928007. The reversal of 2928005 is 5008292.

2928005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1018081 + 1909924 = 1009^2 + 1382^2 .

It is not a de Polignac number, because 2928005 - 2⁶ = 2927941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292796 + ... + 292805.

It is an arithmetic number, because the mean of its divisors is an integer number (878403).

2^2928005 is an apocalyptic number.

It is an amenable number.

2928005 is a deficient number, since it is larger than the sum of its proper divisors (585607).

2928005 is an equidigital number, since it uses as much as digits as its factorization.

2928005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585606.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2928005 is about 1711.1414319103. The cubic root of 2928005 is about 143.0618833339.

The spelling of 2928005 in words is "two million, nine hundred twenty-eight thousand, five".