2866728 has 16 divisors (see below), whose sum is σ = 7166880. Its totient is φ = 955568.

The previous prime is 2866711. The next prime is 2866741. The reversal of 2866728 is 8276682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59700 + ... + 59747.

It is an arithmetic number, because the mean of its divisors is an integer number (447930).

2^2866728 is an apocalyptic number.

It is an amenable number.

2866728 is an abundant number, since it is smaller than the sum of its proper divisors (4300152).

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

2866728 is a wasteful number, since it uses less digits than its factorization.

2866728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119456 (or 119452 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 2866728 is about 1693.1414589455. The cubic root of 2866728 is about 142.0568442653.

The spelling of 2866728 in words is "two million, eight hundred sixty-six thousand, seven hundred twenty-eight".