1047856 has 20 divisors (see below), whose sum is σ = 2058400. Its totient is φ = 516672.

The previous prime is 1047841. The next prime is 1047859. The reversal of 1047856 is 6587401.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1047859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (102920).

2^1047856 is an apocalyptic number.

1047856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1047856 is a deficient number, since it is larger than the sum of its proper divisors (1010544).

1047856 is an equidigital number, since it uses as much as digits as its factorization.

1047856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1047856 is about 1023.6483771296. The cubic root of 1047856 is about 101.5704090567.

The spelling of 1047856 in words is "one million, forty-seven thousand, eight hundred fifty-six".