1026648 has 96 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 290304.

The previous prime is 1026593. The next prime is 1026661. The reversal of 1026648 is 8466201.

1026648 is a `hidden beast` number, since 10 + 2 + 6 + 648 = 666.

It is a super-2 number, since 2×1026648² = 2108012231808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10536 + ... + 10632.

2^1026648 is an apocalyptic number.

1026648 is a gapful number since it is divisible by the number (18) 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 1026648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675800).

1026648 is an abundant number, since it is smaller than the sum of its proper divisors (2324952).

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

1026648 is a wasteful number, since it uses less digits than its factorization.

1026648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1026648 is about 1013.2363988724. The cubic root of 1026648 is about 100.8804912642.

The spelling of 1026648 in words is "one million, twenty-six thousand, six hundred forty-eight".