1004678834 has 16 divisors (see below), whose sum is σ = 1553064408. Its totient is φ = 487084032.

The previous prime is 1004678771. The next prime is 1004678837. The reversal of 1004678834 is 4388764001.

It can be written as a sum of positive squares in 4 ways, for example, as 998749609 + 5929225 = 31603^2 + 2435^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1004678791 and 1004678800.

It is not an unprimeable number, because it can be changed into a prime (1004678837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 44850.

Almost surely, 2^1004678834 is an apocalyptic number.

1004678834 is a deficient number, since it is larger than the sum of its proper divisors (548385574).

1004678834 is a wasteful number, since it uses less digits than its factorization.

1004678834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46669.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1004678834 is about 31696.6691309986. The cubic root of 1004678834 is about 1001.5571852488.

The spelling of 1004678834 in words is "one billion, four million, six hundred seventy-eight thousand, eight hundred thirty-four".