1039648 has 24 divisors (see below), whose sum is σ = 2088828. Its totient is φ = 509184.

The previous prime is 1039631. The next prime is 1039651. The reversal of 1039648 is 8469301.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 63504 = 988^2 + 252^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1390 + ... + 2002.

2^1039648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1039648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044414).

1039648 is an abundant number, since it is smaller than the sum of its proper divisors (1049180).

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

1039648 is an equidigital number, since it uses as much as digits as its factorization.

1039648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1039648 is about 1019.6313059141. The cubic root of 1039648 is about 101.3045085758.

The spelling of 1039648 in words is "one million, thirty-nine thousand, six hundred forty-eight".