2789028 has 36 divisors (see below), whose sum is σ = 7692048. Its totient is φ = 845040.

The previous prime is 2789011. The next prime is 2789057. The reversal of 2789028 is 8209872.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2788983 and 2789001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3126 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (213668).

2^2789028 is an apocalyptic number.

It is an amenable number.

2789028 is an abundant number, since it is smaller than the sum of its proper divisors (4903020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2789028 is a wasteful number, since it uses less digits than its factorization.

2789028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2789028 is about 1670.0383229136. The cubic root of 2789028 is about 140.7616313540.

The spelling of 2789028 in words is "two million, seven hundred eighty-nine thousand, twenty-eight".