10387873 has 4 divisors (see below), whose sum is σ = 10558228. Its totient is φ = 10217520.

The previous prime is 10387849. The next prime is 10387877. The reversal of 10387873 is 37878301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37878301 = 41 ⋅923861.

It can be written as a sum of positive squares in 2 ways, for example, as 351649 + 10036224 = 593^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 10387873 - 2¹⁷ = 10256801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10387877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85086 + ... + 85207.

It is an arithmetic number, because the mean of its divisors is an integer number (2639557).

Almost surely, 2^10387873 is an apocalyptic number.

It is an amenable number.

10387873 is a deficient number, since it is larger than the sum of its proper divisors (170355).

10387873 is an equidigital number, since it uses as much as digits as its factorization.

10387873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170354.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 10387873 is about 3223.0223393579. The cubic root of 10387873 is about 218.1937018096.

It can be divided in two parts, 1038 and 7873, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 10387873 in words is "ten million, three hundred eighty-seven thousand, eight hundred seventy-three".