2873236 has 12 divisors (see below), whose sum is σ = 5123412. Its totient is φ = 1409408.

The previous prime is 2873231. The next prime is 2873249. The reversal of 2873236 is 6323782.

It can be written as a sum of positive squares in 2 ways, for example, as 2160900 + 712336 = 1470^2 + 844^2 .

It is a super-2 number, since 2×2873236² = 16510970223392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2873198 and 2873207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873231) 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, 6565 + ... + 6988.

It is an arithmetic number, because the mean of its divisors is an integer number (426951).

2^2873236 is an apocalyptic number.

It is an amenable number.

2873236 is a deficient number, since it is larger than the sum of its proper divisors (2250176).

2873236 is a wasteful number, since it uses less digits than its factorization.

2873236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610 (or 13608 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 2873236 is about 1695.0622407452. The cubic root of 2873236 is about 142.1642614117.

The spelling of 2873236 in words is "two million, eight hundred seventy-three thousand, two hundred thirty-six".