1144656 has 30 divisors (see below), whose sum is σ = 3203850. Its totient is φ = 381504.

The previous prime is 1144643. The next prime is 1144657. The reversal of 1144656 is 6564411.

1144656 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 656 = 666.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 176400 = 984^2 + 420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144657) 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, 3831 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (106795).

2^1144656 is an apocalyptic number.

1144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144656 is an abundant number, since it is smaller than the sum of its proper divisors (2059194).

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

1144656 is a wasteful number, since it uses less digits than its factorization.

1144656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7954 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1144656 is about 1069.8859752329. The cubic root of 1144656 is about 104.6064176948.

The spelling of 1144656 in words is "one million, one hundred forty-four thousand, six hundred fifty-six".