2880385 has 8 divisors (see below), whose sum is σ = 3465576. Its totient is φ = 2298240.

The previous prime is 2880379. The next prime is 2880389. The reversal of 2880385 is 5830882.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 2879809 = 24^2 + 1697^2 .

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

It is not a de Polignac number, because 2880385 - 2⁹ = 2879873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2880385.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880389) 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, 3405 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (433197).

2^2880385 is an apocalyptic number.

It is an amenable number.

2880385 is a deficient number, since it is larger than the sum of its proper divisors (585191).

2880385 is an equidigital number, since it uses as much as digits as its factorization.

2880385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2880385 is about 1697.1697027699. The cubic root of 2880385 is about 142.2820717301.

The spelling of 2880385 in words is "two million, eight hundred eighty thousand, three hundred eighty-five".