8142434 has 4 divisors (see below), whose sum is σ = 12213654. Its totient is φ = 4071216.

The previous prime is 8142401. The next prime is 8142467. The reversal of 8142434 is 4342418.

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

It is an interprime number because it is at equal distance from previous prime (8142401) and next prime (8142467).

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 319225 = 2797^2 + 565^2 .

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, 2035607 + ... + 2035610.

Almost surely, 2^8142434 is an apocalyptic number.

8142434 is a deficient number, since it is larger than the sum of its proper divisors (4071220).

8142434 is a wasteful number, since it uses less digits than its factorization.

8142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071219.

The product of its digits is 3072, while the sum is 26.

The square root of 8142434 is about 2853.4950499344. The cubic root of 8142434 is about 201.1799746086.

The spelling of 8142434 in words is "eight million, one hundred forty-two thousand, four hundred thirty-four".