2873391 has 16 divisors (see below), whose sum is σ = 4103424. Its totient is φ = 1782144.

The previous prime is 2873371. The next prime is 2873393. The reversal of 2873391 is 1933782.

It is not a de Polignac number, because 2873391 - 2¹³ = 2865199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873393) 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 15 ways as a sum of consecutive naturals, for example, 4980 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (256464).

2^2873391 is an apocalyptic number.

2873391 is a deficient number, since it is larger than the sum of its proper divisors (1230033).

2873391 is a wasteful number, since it uses less digits than its factorization.

2873391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 9072, while the sum is 33.

The square root of 2873391 is about 1695.1079611635. The cubic root of 2873391 is about 142.1668177703.

The spelling of 2873391 in words is "two million, eight hundred seventy-three thousand, three hundred ninety-one".