1078656 has 48 divisors (see below), whose sum is σ = 2920260. Its totient is φ = 352768.

The previous prime is 1078643. The next prime is 1078657. The reversal of 1078656 is 6568701.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20326 + ... + 20378.

2^1078656 is an apocalyptic number.

1078656 is a gapful number since it is divisible by the number (16) 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 1078656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460130).

1078656 is an abundant number, since it is smaller than the sum of its proper divisors (1841604).

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

1078656 is an frugal number, since it uses more digits than its factorization.

1078656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1078656 is about 1038.5836509401. The cubic root of 1078656 is about 102.5559797328. Note that the first 3 decimals are identical.

The spelling of 1078656 in words is "one million, seventy-eight thousand, six hundred fifty-six".