1038681 has 12 divisors (see below), whose sum is σ = 1714752. Its totient is φ = 593496.

The previous prime is 1038671. The next prime is 1038689. The reversal of 1038681 is 1868301.

It is not a de Polignac number, because 1038681 - 2⁶ = 1038617 is a prime.

It is a super-2 number, since 2×1038681² = 2157716439522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1038689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8181 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (142896).

2^1038681 is an apocalyptic number.

It is an amenable number.

1038681 is a deficient number, since it is larger than the sum of its proper divisors (676071).

1038681 is a wasteful number, since it uses less digits than its factorization.

1038681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500 (or 16497 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1038681 is about 1019.1570045876. The cubic root of 1038681 is about 101.2730902985.

The spelling of 1038681 in words is "one million, thirty-eight thousand, six hundred eighty-one".