2873812 has 6 divisors (see below), whose sum is σ = 5029178. Its totient is φ = 1436904.

The previous prime is 2873809. The next prime is 2873837. The reversal of 2873812 is 2183782.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 427716 = 1564^2 + 654^2 .

It is a super-2 number, since 2×2873812² = 16517590822688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 359223 + ... + 359230.

2^2873812 is an apocalyptic number.

It is an amenable number.

2873812 is a deficient number, since it is larger than the sum of its proper divisors (2155366).

2873812 is a wasteful number, since it uses less digits than its factorization.

2873812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718457 (or 718455 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 2873812 is about 1695.2321374962. The cubic root of 2873812 is about 142.1737607060.

The spelling of 2873812 in words is "two million, eight hundred seventy-three thousand, eight hundred twelve".