10038581 has 20 divisors (see below), whose sum is σ = 12133932. Its totient is φ = 8297856.

The previous prime is 10038559. The next prime is 10038583. The reversal of 10038581 is 18583001.

10038581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 6002500 = 2009^2 + 2450^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10038581 is a prime.

It is a super-2 number, since 2×10038581² = 201546216987122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10038581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10038583) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88781 + ... + 88893.

Almost surely, 2^10038581 is an apocalyptic number.

It is an amenable number.

10038581 is a deficient number, since it is larger than the sum of its proper divisors (2095351).

10038581 is an frugal number, since it uses more digits than its factorization.

10038581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10038581 is about 3168.3719794241. The cubic root of 10038581 is about 215.7201809295.

The spelling of 10038581 in words is "ten million, thirty-eight thousand, five hundred eighty-one".