2800130 has 8 divisors (see below), whose sum is σ = 5040252. Its totient is φ = 1120048.

The previous prime is 2800103. The next prime is 2800139. The reversal of 2800130 is 310082.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 41209 = 1661^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2800139) 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, 139997 + ... + 140016.

2^2800130 is an apocalyptic number.

2800130 is a deficient number, since it is larger than the sum of its proper divisors (2240122).

2800130 is a wasteful number, since it uses less digits than its factorization.

2800130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280020.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2800130 is about 1673.3588975471. The cubic root of 2800130 is about 140.9481559143.

Subtracting from 2800130 its product of nonzero digits (48), we obtain a palindrome (2800082).

The spelling of 2800130 in words is "two million, eight hundred thousand, one hundred thirty".