10238638 has 4 divisors (see below), whose sum is σ = 15357960. Its totient is φ = 5119318.

The previous prime is 10238633. The next prime is 10238639. The reversal of 10238638 is 83683201.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10238633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559658 + ... + 2559661.

It is an arithmetic number, because the mean of its divisors is an integer number (3839490).

Almost surely, 2^10238638 is an apocalyptic number.

10238638 is a deficient number, since it is larger than the sum of its proper divisors (5119322).

10238638 is an equidigital number, since it uses as much as digits as its factorization.

10238638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119321.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 10238638 is about 3199.7871804231. The cubic root of 10238638 is about 217.1437812007.

The spelling of 10238638 in words is "ten million, two hundred thirty-eight thousand, six hundred thirty-eight".