10639375 has 20 divisors (see below), whose sum is σ = 13776840. Its totient is φ = 8204000.

The previous prime is 10639351. The next prime is 10639397. The reversal of 10639375 is 57393601.

10639375 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10639375 is a prime.

It is a super-2 number, since 2×10639375² = 226392600781250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10639375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17832 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (688842).

Almost surely, 2^10639375 is an apocalyptic number.

10639375 is a deficient number, since it is larger than the sum of its proper divisors (3137465).

10639375 is an frugal number, since it uses more digits than its factorization.

10639375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 10639375 is about 3261.8054816313. The cubic root of 10639375 is about 219.9405831279.

The spelling of 10639375 in words is "ten million, six hundred thirty-nine thousand, three hundred seventy-five".