10938639 has 16 divisors (see below), whose sum is σ = 15547392. Its totient is φ = 6824928.

The previous prime is 10938611. The next prime is 10938649. The reversal of 10938639 is 93683901.

It is not a de Polignac number, because 10938639 - 2⁵ = 10938607 is a prime.

It is a super-3 number, since 3×10938639³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10938597 and 10938606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10938649) 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, 1557 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (971712).

Almost surely, 2^10938639 is an apocalyptic number.

10938639 is a deficient number, since it is larger than the sum of its proper divisors (4608753).

10938639 is a wasteful number, since it uses less digits than its factorization.

10938639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 10938639 is about 3307.3613349618. The cubic root of 10938639 is about 221.9837054837.

The spelling of 10938639 in words is "ten million, nine hundred thirty-eight thousand, six hundred thirty-nine".