1043816 has 8 divisors (see below), whose sum is σ = 1957170. Its totient is φ = 521904.

The previous prime is 1043773. The next prime is 1043831. The reversal of 1043816 is 6183401.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 23716 = 1010^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1043791 and 1043800.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 65231 + ... + 65246.

2^1043816 is an apocalyptic number.

It is an amenable number.

1043816 is a deficient number, since it is larger than the sum of its proper divisors (913354).

1043816 is a wasteful number, since it uses less digits than its factorization.

1043816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130483 (or 130479 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1043816 is about 1021.6731375543. The cubic root of 1043816 is about 101.4397063186.

The spelling of 1043816 in words is "one million, forty-three thousand, eight hundred sixteen".