10639528 has 8 divisors (see below), whose sum is σ = 19949130. Its totient is φ = 5319760.

The previous prime is 10639523. The next prime is 10639537. The reversal of 10639528 is 82593601.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 24964 = 3258^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10639528² = 226399112125568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10639493 and 10639502.

It is not an unprimeable number, because it can be changed into a prime (10639523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664963 + ... + 664978.

Almost surely, 2^10639528 is an apocalyptic number.

It is an amenable number.

10639528 is a deficient number, since it is larger than the sum of its proper divisors (9309602).

10639528 is a wasteful number, since it uses less digits than its factorization.

10639528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329947 (or 1329943 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 10639528 is about 3261.8289348156. The cubic root of 10639528 is about 219.9416374112.

The spelling of 10639528 in words is "ten million, six hundred thirty-nine thousand, five hundred twenty-eight".