10639008 has 144 divisors (see below), whose sum is σ = 33434856. Its totient is φ = 3194880.

The previous prime is 10639003. The next prime is 10639019. The reversal of 10639008 is 80093601.

It can be written as a sum of positive squares in 4 ways, for example, as 8928144 + 1710864 = 2988^2 + 1308^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10639008² = 226376982448128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10639001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200710 + ... + 200762.

Almost surely, 2^10639008 is an apocalyptic number.

10639008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10639008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16717428).

10639008 is an abundant number, since it is smaller than the sum of its proper divisors (22795848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10639008 is a wasteful number, since it uses less digits than its factorization.

10639008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10639008 is about 3261.7492239594. The cubic root of 10639008 is about 219.9380541848.

The spelling of 10639008 in words is "ten million, six hundred thirty-nine thousand, eight".