2881365 has 8 divisors (see below), whose sum is σ = 4610208. Its totient is φ = 1536720.

The previous prime is 2881349. The next prime is 2881379. The reversal of 2881365 is 5631882.

It is a happy number.

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

It is not a de Polignac number, because 2881365 - 2⁴ = 2881349 is a prime.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96031 + ... + 96060.

It is an arithmetic number, because the mean of its divisors is an integer number (576276).

2^2881365 is an apocalyptic number.

It is an amenable number.

2881365 is a deficient number, since it is larger than the sum of its proper divisors (1728843).

2881365 is a wasteful number, since it uses less digits than its factorization.

2881365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192099.

The product of its digits is 11520, while the sum is 33.

The square root of 2881365 is about 1697.4583941882. The cubic root of 2881365 is about 142.2982062190.

It can be divided in two parts, 288 and 1365, that added together give a triangular number (1653 = T₅₇).

The spelling of 2881365 in words is "two million, eight hundred eighty-one thousand, three hundred sixty-five".