8423436 has 24 divisors (see below), whose sum is σ = 22462720. Its totient is φ = 2406672.

The previous prime is 8423423. The next prime is 8423447. The reversal of 8423436 is 6343248.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 4⁷ + 2²³ + 3³ + 4⁷ + 3⁶ + 6⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50056 + ... + 50223.

Almost surely, 2^8423436 is an apocalyptic number.

It is an amenable number.

8423436 is an abundant number, since it is smaller than the sum of its proper divisors (14039284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8423436 is a wasteful number, since it uses less digits than its factorization.

8423436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100293 (or 100291 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 8423436 is about 2902.3156272191. The cubic root of 8423436 is about 203.4681455411.

It can be divided in two parts, 842 and 3436, that added together give a triangular number (4278 = T₉₂).

The spelling of 8423436 in words is "eight million, four hundred twenty-three thousand, four hundred thirty-six".