1147656 has 16 divisors (see below), whose sum is σ = 2869200. Its totient is φ = 382544.

The previous prime is 1147639. The next prime is 1147669. The reversal of 1147656 is 6567411.

It is a super-2 number, since 2×1147656² = 2634228588672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23886 + ... + 23933.

It is an arithmetic number, because the mean of its divisors is an integer number (179325).

2^1147656 is an apocalyptic number.

It is an amenable number.

1147656 is an abundant number, since it is smaller than the sum of its proper divisors (1721544).

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

1147656 is a wasteful number, since it uses less digits than its factorization.

1147656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47828 (or 47824 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 1147656 is about 1071.2870763712. The cubic root of 1147656 is about 104.6977247457.

The spelling of 1147656 in words is "one million, one hundred forty-seven thousand, six hundred fifty-six".