10438387 has 2 divisors, whose sum is σ = 10438388. Its totient is φ = 10438386.

The previous prime is 10438367. The next prime is 10438411. The reversal of 10438387 is 78383401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10438387 is a prime.

It is not a weakly prime, because it can be changed into another prime (10438367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219193 + 5219194.

It is an arithmetic number, because the mean of its divisors is an integer number (5219194).

Almost surely, 2^10438387 is an apocalyptic number.

10438387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10438387 is an equidigital number, since it uses as much as digits as its factorization.

10438387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 10438387 is about 3230.8492691551. The cubic root of 10438387 is about 218.5468064715.

The spelling of 10438387 in words is "ten million, four hundred thirty-eight thousand, three hundred eighty-seven".