2873931 has 4 divisors (see below), whose sum is σ = 3831912. Its totient is φ = 1915952.

The previous prime is 2873911. The next prime is 2873933. The reversal of 2873931 is 1393782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2873931 - 2¹³ = 2865739 is a prime.

It is a super-2 number, since 2×2873931² = 16518958785522, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2873892 and 2873901.

It is not an unprimeable number, because it can be changed into a prime (2873933) 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, 478986 + ... + 478991.

It is an arithmetic number, because the mean of its divisors is an integer number (957978).

2^2873931 is an apocalyptic number.

2873931 is a deficient number, since it is larger than the sum of its proper divisors (957981).

2873931 is an equidigital number, since it uses as much as digits as its factorization.

2873931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957980.

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

The square root of 2873931 is about 1695.2672355708. The cubic root of 2873931 is about 142.1757230756.

The spelling of 2873931 in words is "two million, eight hundred seventy-three thousand, nine hundred thirty-one".