2873643 has 8 divisors (see below), whose sum is σ = 3998208. Its totient is φ = 1832424.

The previous prime is 2873641. The next prime is 2873657. The reversal of 2873643 is 3463782.

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

It is not a de Polignac number, because 2873643 - 2¹ = 2873641 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 8 + 7² + 3¹² + 6⁸ + 4² + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2873641) 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 7 ways as a sum of consecutive naturals, for example, 20755 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (499776).

2^2873643 is an apocalyptic number.

2873643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2873643 is a deficient number, since it is larger than the sum of its proper divisors (1124565).

2873643 is a wasteful number, since it uses less digits than its factorization.

2873643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41673.

The product of its digits is 24192, while the sum is 33.

The square root of 2873643 is about 1695.1822910826. The cubic root of 2873643 is about 142.1709737183.

The spelling of 2873643 in words is "two million, eight hundred seventy-three thousand, six hundred forty-three".