2881394 has 8 divisors (see below), whose sum is σ = 4510080. Its totient is φ = 1378036.

The previous prime is 2881391. The next prime is 2881397. The reversal of 2881394 is 4931882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2881391) and next prime (2881397).

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

It is not an unprimeable number, because it can be changed into a prime (2881391) 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, 31274 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (563760).

2^2881394 is an apocalyptic number.

2881394 is a deficient number, since it is larger than the sum of its proper divisors (1628686).

2881394 is a wasteful number, since it uses less digits than its factorization.

2881394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62664.

The product of its digits is 13824, while the sum is 35.

The square root of 2881394 is about 1697.4669363496. The cubic root of 2881394 is about 142.2986836124.

The spelling of 2881394 in words is "two million, eight hundred eighty-one thousand, three hundred ninety-four".