8436728 has 16 divisors (see below), whose sum is σ = 15852480. Its totient is φ = 4209408.

The previous prime is 8436713. The next prime is 8436731. The reversal of 8436728 is 8276348.

8436728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8 + 4⁵ + 3⁴ + 6⁶ + 7³ + 2²³ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 8436691 and 8436700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601 + ... + 6167.

It is an arithmetic number, because the mean of its divisors is an integer number (990780).

Almost surely, 2^8436728 is an apocalyptic number.

It is an amenable number.

8436728 is a deficient number, since it is larger than the sum of its proper divisors (7415752).

8436728 is a wasteful number, since it uses less digits than its factorization.

8436728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2242 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 8436728 is about 2904.6046202538. The cubic root of 8436728 is about 203.5751120763.

The spelling of 8436728 in words is "eight million, four hundred thirty-six thousand, seven hundred twenty-eight".