2286728 has 8 divisors (see below), whose sum is σ = 4287630. Its totient is φ = 1143360.

The previous prime is 2286701. The next prime is 2286749. The reversal of 2286728 is 8276822.

It can be written as a sum of positive squares in only one way, i.e., 1643524 + 643204 = 1282^2 + 802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142913 + ... + 142928.

2^2286728 is an apocalyptic number.

It is an amenable number.

2286728 is a deficient number, since it is larger than the sum of its proper divisors (2000902).

2286728 is a wasteful number, since it uses less digits than its factorization.

2286728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285847 (or 285843 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2286728 is about 1512.1931093614. The cubic root of 2286728 is about 131.7462219283.

The spelling of 2286728 in words is "two million, two hundred eighty-six thousand, seven hundred twenty-eight".