2880749 has 4 divisors (see below), whose sum is σ = 2887836. Its totient is φ = 2873664.

The previous prime is 2880739. The next prime is 2880763. The reversal of 2880749 is 9470882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9470882 = 2 ⋅4735441.

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 2706025 = 418^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2880749 - 2⁴ = 2880733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880719) 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, 2894 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (721959).

2^2880749 is an apocalyptic number.

It is an amenable number.

2880749 is a deficient number, since it is larger than the sum of its proper divisors (7087).

2880749 is an equidigital number, since it uses as much as digits as its factorization.

2880749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2880749 is about 1697.2769367431. The cubic root of 2880749 is about 142.2880649674.

The spelling of 2880749 in words is "two million, eight hundred eighty thousand, seven hundred forty-nine".