1038861 has 6 divisors (see below), whose sum is σ = 1500590. Its totient is φ = 692568.

The previous prime is 1038833. The next prime is 1038881. The reversal of 1038861 is 1688301.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 281961 = 870^2 + 531^2 .

It is not a de Polignac number, because 1038861 - 2⁶ = 1038797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57706 + ... + 57723.

2^1038861 is an apocalyptic number.

It is an amenable number.

1038861 is a deficient number, since it is larger than the sum of its proper divisors (461729).

1038861 is a wasteful number, since it uses less digits than its factorization.

1038861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115435 (or 115432 counting only the distinct ones).

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

The square root of 1038861 is about 1019.2453090400. The cubic root of 1038861 is about 101.2789400584.

The spelling of 1038861 in words is "one million, thirty-eight thousand, eight hundred sixty-one".