8042834 has 4 divisors (see below), whose sum is σ = 12064254. Its totient is φ = 4021416.

The previous prime is 8042813. The next prime is 8042843. The reversal of 8042834 is 4382408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5303809 + 2739025 = 2303^2 + 1655^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8042797 and 8042806.

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, 2010707 + ... + 2010710.

Almost surely, 2^8042834 is an apocalyptic number.

8042834 is a deficient number, since it is larger than the sum of its proper divisors (4021420).

8042834 is a wasteful number, since it uses less digits than its factorization.

8042834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021419.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 8042834 is about 2835.9890690904. The cubic root of 8042834 is about 200.3563148218.

The spelling of 8042834 in words is "eight million, forty-two thousand, eight hundred thirty-four".