1039887 has 12 divisors (see below), whose sum is σ = 1511640. Its totient is φ = 688848.

The previous prime is 1039837. The next prime is 1039891. The reversal of 1039887 is 7889301.

It is not a de Polignac number, because 1039887 - 2⁶ = 1039823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039817) 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, 1789 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (125970).

2^1039887 is an apocalyptic number.

1039887 is a deficient number, since it is larger than the sum of its proper divisors (471753).

1039887 is a wasteful number, since it uses less digits than its factorization.

With its successor (1039888) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (742).

1039887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1039887 is about 1019.7484984054. The cubic root of 1039887 is about 101.3122707936.

The spelling of 1039887 in words is "one million, thirty-nine thousand, eight hundred eighty-seven".