8978616 has 24 divisors (see below), whose sum is σ = 24317280. Its totient is φ = 2992848.

The previous prime is 8978573. The next prime is 8978617. The reversal of 8978616 is 6168798.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978617) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 62280 + ... + 62423.

It is an arithmetic number, because the mean of its divisors is an integer number (1013220).

Almost surely, 2^8978616 is an apocalyptic number.

It is an amenable number.

8978616 is an abundant number, since it is smaller than the sum of its proper divisors (15338664).

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

8978616 is a wasteful number, since it uses less digits than its factorization.

8978616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124715 (or 124708 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8978616 is about 2996.4338804652. The cubic root of 8978616 is about 207.8435090177.

The spelling of 8978616 in words is "eight million, nine hundred seventy-eight thousand, six hundred sixteen".