8436434 has 8 divisors (see below), whose sum is σ = 12893580. Its totient is φ = 4138576.

The previous prime is 8436431. The next prime is 8436451. The reversal of 8436434 is 4346348.

It can be written as a sum of positive squares in 2 ways, for example, as 8427409 + 9025 = 2903^2 + 95^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8436434.

It is not an unprimeable number, because it can be changed into a prime (8436431) 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, 39689 + ... + 39900.

Almost surely, 2^8436434 is an apocalyptic number.

8436434 is a deficient number, since it is larger than the sum of its proper divisors (4457146).

8436434 is a wasteful number, since it uses less digits than its factorization.

8436434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79644.

The product of its digits is 27648, while the sum is 32.

The square root of 8436434 is about 2904.5540105152. The cubic root of 8436434 is about 203.5727473452.

The spelling of 8436434 in words is "eight million, four hundred thirty-six thousand, four hundred thirty-four".