2287036728 has 128 divisors (see below), whose sum is σ = 6501888000. Its totient is φ = 744681600.

The previous prime is 2287036723. The next prime is 2287036729. The reversal of 2287036728 is 8276307822.

2287036728 is a `hidden beast` number, since 2 + 287 + 0 + 367 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287036723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722801 + ... + 1724127.

It is an arithmetic number, because the mean of its divisors is an integer number (50796000).

Almost surely, 2^2287036728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2287036728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250944000).

2287036728 is an abundant number, since it is smaller than the sum of its proper divisors (4214851272).

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

2287036728 is a wasteful number, since it uses less digits than its factorization.

2287036728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2287036728 is about 47822.9728059643. The cubic root of 2287036728 is about 1317.5215062015.

The spelling of 2287036728 in words is "two billion, two hundred eighty-seven million, thirty-six thousand, seven hundred twenty-eight".