10487839 has 4 divisors (see below), whose sum is σ = 10943856. Its totient is φ = 10031824.

The previous prime is 10487831. The next prime is 10487843. The reversal of 10487839 is 93878401.

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 10487839 - 2³ = 10487831 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10487831) 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, 227974 + ... + 228019.

It is an arithmetic number, because the mean of its divisors is an integer number (2735964).

Almost surely, 2^10487839 is an apocalyptic number.

10487839 is a deficient number, since it is larger than the sum of its proper divisors (456017).

10487839 is an equidigital number, since it uses as much as digits as its factorization.

10487839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456016.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 10487839 is about 3238.4933225190. The cubic root of 10487839 is about 218.8913857135.

The spelling of 10487839 in words is "ten million, four hundred eighty-seven thousand, eight hundred thirty-nine".