2842287 has 8 divisors (see below), whose sum is σ = 4331136. Its totient is φ = 1624152.

The previous prime is 2842283. The next prime is 2842291. The reversal of 2842287 is 7822482.

It is an interprime number because it is at equal distance from previous prime (2842283) and next prime (2842291).

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

It is not a de Polignac number, because 2842287 - 2² = 2842283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842283) 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, 67653 + ... + 67694.

It is an arithmetic number, because the mean of its divisors is an integer number (541392).

2^2842287 is an apocalyptic number.

2842287 is a deficient number, since it is larger than the sum of its proper divisors (1488849).

2842287 is a wasteful number, since it uses less digits than its factorization.

2842287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135357.

The product of its digits is 14336, while the sum is 33.

The square root of 2842287 is about 1685.9083604989. The cubic root of 2842287 is about 141.6519778696.

The spelling of 2842287 in words is "two million, eight hundred forty-two thousand, two hundred eighty-seven".