1104656 has 30 divisors (see below), whose sum is σ = 2491470. Its totient is φ = 473088.

The previous prime is 1104619. The next prime is 1104659. The reversal of 1104656 is 6564011.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 490000 = 784^2 + 700^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1104659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (83049).

2^1104656 is an apocalyptic number.

1104656 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 1104656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245735).

1104656 is an abundant number, since it is smaller than the sum of its proper divisors (1386814).

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

1104656 is a wasteful number, since it uses less digits than its factorization.

1104656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1104656 is about 1051.0261652309. The cubic root of 1104656 is about 103.3734518751.

Adding to 1104656 its reverse (6564011), we get a palindrome (7668667).

The spelling of 1104656 in words is "one million, one hundred four thousand, six hundred fifty-six".