2864728 has 16 divisors (see below), whose sum is σ = 5390280. Its totient is φ = 1427328.

The previous prime is 2864723. The next prime is 2864737. The reversal of 2864728 is 8274682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051 + ... + 3877.

2^2864728 is an apocalyptic number.

It is an amenable number.

2864728 is a deficient number, since it is larger than the sum of its proper divisors (2525552).

2864728 is a wasteful number, since it uses less digits than its factorization.

2864728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1262 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 2864728 is about 1692.5507377919. The cubic root of 2864728 is about 142.0238008111.

The spelling of 2864728 in words is "two million, eight hundred sixty-four thousand, seven hundred twenty-eight".