2787230 has 16 divisors (see below), whose sum is σ = 5050080. Its totient is φ = 1107552.

The previous prime is 2787229. The next prime is 2787233. The reversal of 2787230 is 327872.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2787193 and 2787202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2787233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (315630).

2^2787230 is an apocalyptic number.

It is a pronic number, being equal to 1669×1670.

2787230 is a deficient number, since it is larger than the sum of its proper divisors (2262850).

2787230 is a wasteful number, since it uses less digits than its factorization.

2787230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2787230 is about 1669.4999251273. The cubic root of 2787230 is about 140.7313766298.

The spelling of 2787230 in words is "two million, seven hundred eighty-seven thousand, two hundred thirty".