2928887 has 4 divisors (see below), whose sum is σ = 3154200. Its totient is φ = 2703576.

The previous prime is 2928881. The next prime is 2928929. The reversal of 2928887 is 7888292.

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

It is a cyclic number.

It is not a de Polignac number, because 2928887 - 2⁶ = 2928823 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 (2928881) 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 3 ways as a sum of consecutive naturals, for example, 112637 + ... + 112662.

It is an arithmetic number, because the mean of its divisors is an integer number (788550).

2^2928887 is an apocalyptic number.

2928887 is a deficient number, since it is larger than the sum of its proper divisors (225313).

2928887 is a wasteful number, since it uses less digits than its factorization.

2928887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225312.

The product of its digits is 129024, while the sum is 44.

The square root of 2928887 is about 1711.3991352107. The cubic root of 2928887 is about 143.0762466875.

The spelling of 2928887 in words is "two million, nine hundred twenty-eight thousand, eight hundred eighty-seven".