2928427 has 6 divisors (see below), whose sum is σ = 2981004. Its totient is φ = 2876760.

The previous prime is 2928421. The next prime is 2928461. The reversal of 2928427 is 7248292.

It is not a de Polignac number, because 2928427 - 2¹¹ = 2926379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2928392 and 2928401.

It is not an unprimeable number, because it can be changed into a prime (2928421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3328 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (496834).

2^2928427 is an apocalyptic number.

2928427 is a deficient number, since it is larger than the sum of its proper divisors (52577).

2928427 is an frugal number, since it uses more digits than its factorization.

2928427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 848 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 2928427 is about 1711.2647369709. The cubic root of 2928427 is about 143.0687559559.

The spelling of 2928427 in words is "two million, nine hundred twenty-eight thousand, four hundred twenty-seven".