2928117 has 4 divisors (see below), whose sum is σ = 3904160. Its totient is φ = 1952076.

The previous prime is 2928113. The next prime is 2928119. The reversal of 2928117 is 7118292.

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 not a de Polignac number, because 2928117 - 2² = 2928113 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928113) 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, 488017 + ... + 488022.

It is an arithmetic number, because the mean of its divisors is an integer number (976040).

2^2928117 is an apocalyptic number.

It is an amenable number.

2928117 is a deficient number, since it is larger than the sum of its proper divisors (976043).

2928117 is an equidigital number, since it uses as much as digits as its factorization.

2928117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976042.

The product of its digits is 2016, while the sum is 30.

The square root of 2928117 is about 1711.1741582901. The cubic root of 2928117 is about 143.0637074117.

The spelling of 2928117 in words is "two million, nine hundred twenty-eight thousand, one hundred seventeen".