8736436 has 12 divisors (see below), whose sum is σ = 16188228. Its totient is φ = 4111232.

The previous prime is 8736433. The next prime is 8736449. The reversal of 8736436 is 6346378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5336100 + 3400336 = 2310^2 + 1844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8736395 and 8736404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8736433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64171 + ... + 64306.

It is an arithmetic number, because the mean of its divisors is an integer number (1349019).

Almost surely, 2^8736436 is an apocalyptic number.

It is an amenable number.

8736436 is a deficient number, since it is larger than the sum of its proper divisors (7451792).

8736436 is a wasteful number, since it uses less digits than its factorization.

8736436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128498 (or 128496 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 8736436 is about 2955.7462678654. The cubic root of 8736436 is about 205.9577316111.

The spelling of 8736436 in words is "eight million, seven hundred thirty-six thousand, four hundred thirty-six".