1009834 has 16 divisors (see below), whose sum is σ = 1833408. Its totient is φ = 407232.

The previous prime is 1009819. The next prime is 1009837. The reversal of 1009834 is 4389001.

It is a junction number, because it is equal to n+sod(n) for n = 1009799 and 1009808.

It is not an unprimeable number, because it can be changed into a prime (1009837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (114588).

2^1009834 is an apocalyptic number.

1009834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1009834 is a deficient number, since it is larger than the sum of its proper divisors (823574).

1009834 is a wasteful number, since it uses less digits than its factorization.

1009834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1009834 is about 1004.9049706316. The cubic root of 1009834 is about 100.3267313039.

The spelling of 1009834 in words is "one million, nine thousand, eight hundred thirty-four".