10639231 has 6 divisors (see below), whose sum is σ = 10994496. Its totient is φ = 10295100.

The previous prime is 10639217. The next prime is 10639241. The reversal of 10639231 is 13293601.

10639231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10639231 - 2¹⁹ = 10114943 is a prime.

It is a super-2 number, since 2×10639231² = 226386472542722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10639196 and 10639205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4575 + ... + 6496.

It is an arithmetic number, because the mean of its divisors is an integer number (1832416).

Almost surely, 2^10639231 is an apocalyptic number.

10639231 is a deficient number, since it is larger than the sum of its proper divisors (355265).

10639231 is an equidigital number, since it uses as much as digits as its factorization.

10639231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133 (or 11102 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 10639231 is about 3261.7834078921. The cubic root of 10639231 is about 219.9395908520.

The spelling of 10639231 in words is "ten million, six hundred thirty-nine thousand, two hundred thirty-one".