2881346 has 8 divisors (see below), whose sum is σ = 4654524. Its totient is φ = 1329840.

The previous prime is 2881343. The next prime is 2881349. The reversal of 2881346 is 6431882.

It is an interprime number because it is at equal distance from previous prime (2881343) and next prime (2881349).

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 664225 = 1489^2 + 815^2 .

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 (2881343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55385 + ... + 55436.

2^2881346 is an apocalyptic number.

2881346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2881346 is a deficient number, since it is larger than the sum of its proper divisors (1773178).

2881346 is a wasteful number, since it uses less digits than its factorization.

2881346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110836.

The product of its digits is 9216, while the sum is 32.

The square root of 2881346 is about 1697.4527975764. The cubic root of 2881346 is about 142.2978934423.

The spelling of 2881346 in words is "two million, eight hundred eighty-one thousand, three hundred forty-six".