8409616 has 40 divisors (see below), whose sum is σ = 17034624. Its totient is φ = 4018560.

The previous prime is 8409613. The next prime is 8409617. The reversal of 8409616 is 6169048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8409613) by changing a digit.

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, 39751 + ... + 39961.

Almost surely, 2^8409616 is an apocalyptic number.

It is an amenable number.

8409616 is an abundant number, since it is smaller than the sum of its proper divisors (8625008).

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

8409616 is a wasteful number, since it uses less digits than its factorization.

8409616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8409616 is about 2899.9337923477. The cubic root of 8409616 is about 203.3568105711.

It can be divided in two parts, 8409 and 616, that added together give a square (9025 = 95²).

The spelling of 8409616 in words is "eight million, four hundred nine thousand, six hundred sixteen".