2928913 has 16 divisors (see below), whose sum is σ = 3462480. Its totient is φ = 2451456.

The previous prime is 2928881. The next prime is 2928929. The reversal of 2928913 is 3198292.

It can be written as a sum of positive squares in 8 ways, for example, as 82944 + 2845969 = 288^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928913 - 2⁵ = 2928881 is a prime.

It is a Duffinian number.

2928913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2928943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6181 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (216405).

2^2928913 is an apocalyptic number.

It is an amenable number.

2928913 is a deficient number, since it is larger than the sum of its proper divisors (533567).

2928913 is a wasteful number, since it uses less digits than its factorization.

2928913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 7776, while the sum is 34.

The square root of 2928913 is about 1711.4067313178. The cubic root of 2928913 is about 143.0766700533.

The spelling of 2928913 in words is "two million, nine hundred twenty-eight thousand, nine hundred thirteen".