1039680 has 126 divisors (see below), whose sum is σ = 3774186. Its totient is φ = 262656.

The previous prime is 1039667. The next prime is 1039681. The reversal of 1039680 is 869301.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 207936 = 912^2 + 456^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54711 + ... + 54729.

2^1039680 is an apocalyptic number.

1039680 is a gapful number since it is divisible by the number (10) 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 1039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887093).

1039680 is an abundant number, since it is smaller than the sum of its proper divisors (2734506).

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

1039680 is a wasteful number, since it uses less digits than its factorization.

1039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1039680 is about 1019.6469977399. The cubic root of 1039680 is about 101.3055479376.

The spelling of 1039680 in words is "one million, thirty-nine thousand, six hundred eighty".