8429648 has 10 divisors (see below), whose sum is σ = 16332474. Its totient is φ = 4214816.

The previous prime is 8429639. The next prime is 8429657. The reversal of 8429648 is 8469248.

It is an interprime number because it is at equal distance from previous prime (8429639) and next prime (8429657).

It can be written as a sum of positive squares in only one way, i.e., 5895184 + 2534464 = 2428^2 + 1592^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 263411 + ... + 263442.

Almost surely, 2^8429648 is an apocalyptic number.

It is an amenable number.

8429648 is a deficient number, since it is larger than the sum of its proper divisors (7902826).

8429648 is a wasteful number, since it uses less digits than its factorization.

8429648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526861 (or 526855 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 8429648 is about 2903.3856099389. The cubic root of 8429648 is about 203.5181502162.

The spelling of 8429648 in words is "eight million, four hundred twenty-nine thousand, six hundred forty-eight".