2867728 has 10 divisors (see below), whose sum is σ = 5556254. Its totient is φ = 1433856.

The previous prime is 2867719. The next prime is 2867737. The reversal of 2867728 is 8277682.

It is an interprime number because it is at equal distance from previous prime (2867719) and next prime (2867737).

It can be written as a sum of positive squares in only one way, i.e., 2663424 + 204304 = 1632^2 + 452^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89601 + ... + 89632.

2^2867728 is an apocalyptic number.

It is an amenable number.

2867728 is a deficient number, since it is larger than the sum of its proper divisors (2688526).

2867728 is a wasteful number, since it uses less digits than its factorization.

2867728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179241 (or 179235 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 2867728 is about 1693.4367422493. The cubic root of 2867728 is about 142.0733602293.

The spelling of 2867728 in words is "two million, eight hundred sixty-seven thousand, seven hundred twenty-eight".