8429434 has 8 divisors (see below), whose sum is σ = 13616820. Its totient is φ = 3890496.

The previous prime is 8429429. The next prime is 8429437. The reversal of 8429434 is 4349248.

8429434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8427409 + 2025 = 2903^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 8³ + 4⁴ + 2²³ + 9³ + 4⁷ + 3⁸ + 4⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 8429434.

It is not an unprimeable number, because it can be changed into a prime (8429437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162079 + ... + 162130.

Almost surely, 2^8429434 is an apocalyptic number.

8429434 is a deficient number, since it is larger than the sum of its proper divisors (5187386).

8429434 is a wasteful number, since it uses less digits than its factorization.

8429434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324224.

The product of its digits is 27648, while the sum is 34.

The square root of 8429434 is about 2903.3487561779. The cubic root of 8429434 is about 203.5164279912.

The spelling of 8429434 in words is "eight million, four hundred twenty-nine thousand, four hundred thirty-four".