10438678 has 4 divisors (see below), whose sum is σ = 15658020. Its totient is φ = 5219338.

The previous prime is 10438639. The next prime is 10438679. The reversal of 10438678 is 87683401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609668 + ... + 2609671.

It is an arithmetic number, because the mean of its divisors is an integer number (3914505).

Almost surely, 2^10438678 is an apocalyptic number.

10438678 is a deficient number, since it is larger than the sum of its proper divisors (5219342).

10438678 is an equidigital number, since it uses as much as digits as its factorization.

10438678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219341.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 10438678 is about 3230.8943034398. The cubic root of 10438678 is about 218.5488373259.

The spelling of 10438678 in words is "ten million, four hundred thirty-eight thousand, six hundred seventy-eight".