10238381 has 16 divisors (see below), whose sum is σ = 11228544. Its totient is φ = 9307584.

The previous prime is 10238357. The next prime is 10238399. The reversal of 10238381 is 18383201.

10238381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10238381 is a prime.

It is a super-2 number, since 2×10238381² = 209648891002322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10238381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10238281) 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 in 15 ways as a sum of consecutive naturals, for example, 44990 + ... + 45216.

It is an arithmetic number, because the mean of its divisors is an integer number (701784).

Almost surely, 2^10238381 is an apocalyptic number.

It is an amenable number.

10238381 is a deficient number, since it is larger than the sum of its proper divisors (990163).

10238381 is a wasteful number, since it uses less digits than its factorization.

10238381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10238381 is about 3199.7470212503. The cubic root of 10238381 is about 217.1419643439.

It can be divided in two parts, 102 and 38381, that added together give a palindrome (38483).

The spelling of 10238381 in words is "ten million, two hundred thirty-eight thousand, three hundred eighty-one".