1063648 has 24 divisors (see below), whose sum is σ = 2145528. Its totient is φ = 518784.

The previous prime is 1063637. The next prime is 1063649. The reversal of 1063648 is 8463601.

It is a super-2 number, since 2×1063648² = 2262694135808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (89397).

2^1063648 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 1063648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072764).

1063648 is an abundant number, since it is smaller than the sum of its proper divisors (1081880).

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

1063648 is an equidigital number, since it uses as much as digits as its factorization.

1063648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1063648 is about 1031.3331178625. Note that the first 3 decimals coincide. The cubic root of 1063648 is about 102.0781152222.

It can be divided in two parts, 1063 and 648, that added together give a triangular number (1711 = T₅₈).

The spelling of 1063648 in words is "one million, sixty-three thousand, six hundred forty-eight".