2636873 has 2 divisors, whose sum is σ = 2636874. Its totient is φ = 2636872.

The previous prime is 2636863. The next prime is 2636897. The reversal of 2636873 is 3786362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 1106704 = 1237^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2636873 - 2⁴ = 2636857 is a prime.

It is a super-4 number, since 4×2636873⁴ (a number of 27 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 6² + 3² + 6² + 8⁷ + 7 + 3¹² .

It is not a weakly prime, because it can be changed into another prime (2636813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318436 + 1318437.

It is an arithmetic number, because the mean of its divisors is an integer number (1318437).

2^2636873 is an apocalyptic number.

It is an amenable number.

2636873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2636873 is an equidigital number, since it uses as much as digits as its factorization.

2636873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 2636873 is about 1623.8451280833. The cubic root of 2636873 is about 138.1538751286.

The spelling of 2636873 in words is "two million, six hundred thirty-six thousand, eight hundred seventy-three".