1039872 has 40 divisors (see below), whose sum is σ = 2774376. Its totient is φ = 346112.

The previous prime is 1039837. The next prime is 1039891. The reversal of 1039872 is 2789301.

It is a happy number.

1039872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198 + ... + 1874.

2^1039872 is an apocalyptic number.

1039872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1039872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387188).

1039872 is an abundant number, since it is smaller than the sum of its proper divisors (1734504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1039872 is an frugal number, since it uses more digits than its factorization.

1039872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1039872 is about 1019.7411436242. The cubic root of 1039872 is about 101.3117836601.

The spelling of 1039872 in words is "one million, thirty-nine thousand, eight hundred seventy-two".