10029681 has 12 divisors (see below), whose sum is σ = 14725620. Its totient is φ = 6576480.

The previous prime is 10029671. The next prime is 10029751. The reversal of 10029681 is 18692001.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 6843456 = 1785^2 + 2616^2 .

It is not a de Polignac number, because 10029681 - 2¹⁹ = 9505393 is a prime.

It is a super-2 number, since 2×10029681² = 201189001923522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10029611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8586 + ... + 9683.

It is an arithmetic number, because the mean of its divisors is an integer number (1227135).

Almost surely, 2^10029681 is an apocalyptic number.

It is an amenable number.

10029681 is a deficient number, since it is larger than the sum of its proper divisors (4695939).

10029681 is a wasteful number, since it uses less digits than its factorization.

10029681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336 (or 18333 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10029681 is about 3166.9671611812. The cubic root of 10029681 is about 215.6564110510.

The spelling of 10029681 in words is "ten million, twenty-nine thousand, six hundred eighty-one".