8489736 has 48 divisors (see below), whose sum is σ = 23382060. Its totient is φ = 2782080.

The previous prime is 8489729. The next prime is 8489743. The reversal of 8489736 is 6379848.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8489729) and next prime (8489743).

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 367236 = 2850^2 + 606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8489691 and 8489700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3426 + ... + 5358.

Almost surely, 2^8489736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8489736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11691030).

8489736 is an abundant number, since it is smaller than the sum of its proper divisors (14892324).

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

8489736 is a wasteful number, since it uses less digits than its factorization.

8489736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1999 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8489736 is about 2913.7151542318. The cubic root of 8489736 is about 204.0005766996. Note that the first 3 decimals are identical.

The spelling of 8489736 in words is "eight million, four hundred eighty-nine thousand, seven hundred thirty-six".