2928605 has 4 divisors (see below), whose sum is σ = 3514332. Its totient is φ = 2342880.

The previous prime is 2928581. The next prime is 2928647. The reversal of 2928605 is 5068292.

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 2199289 + 729316 = 1483^2 + 854^2 .

It is not a de Polignac number, because 2928605 - 2¹⁰ = 2927581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292856 + ... + 292865.

It is an arithmetic number, because the mean of its divisors is an integer number (878583).

2^2928605 is an apocalyptic number.

It is an amenable number.

2928605 is a deficient number, since it is larger than the sum of its proper divisors (585727).

2928605 is an equidigital number, since it uses as much as digits as its factorization.

2928605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585726.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2928605 is about 1711.3167444982. The cubic root of 2928605 is about 143.0716546364.

The spelling of 2928605 in words is "two million, nine hundred twenty-eight thousand, six hundred five".