1043688 has 16 divisors (see below), whose sum is σ = 2609280. Its totient is φ = 347888.

The previous prime is 1043683. The next prime is 1043701. The reversal of 1043688 is 8863401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043683) 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, 21720 + ... + 21767.

It is an arithmetic number, because the mean of its divisors is an integer number (163080).

2^1043688 is an apocalyptic number.

It is an amenable number.

1043688 is an abundant number, since it is smaller than the sum of its proper divisors (1565592).

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

1043688 is a wasteful number, since it uses less digits than its factorization.

1043688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43496 (or 43492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1043688 is about 1021.6104932899. The cubic root of 1043688 is about 101.4355597343.

The spelling of 1043688 in words is "one million, forty-three thousand, six hundred eighty-eight".