10387439 has 8 divisors (see below), whose sum is σ = 10572240. Its totient is φ = 10204416.

The previous prime is 10387427. The next prime is 10387463. The reversal of 10387439 is 93478301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10387439 - 2⁸ = 10387183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10387399 and 10387408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16472 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (1321530).

Almost surely, 2^10387439 is an apocalyptic number.

10387439 is a deficient number, since it is larger than the sum of its proper divisors (184801).

10387439 is an equidigital number, since it uses as much as digits as its factorization.

10387439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 10387439 is about 3222.9550105454. The cubic root of 10387439 is about 218.1906630937.

The spelling of 10387439 in words is "ten million, three hundred eighty-seven thousand, four hundred thirty-nine".