8420616 has 24 divisors (see below), whose sum is σ = 22806030. Its totient is φ = 2806848.

The previous prime is 8420603. The next prime is 8420651. The reversal of 8420616 is 6160248.

8420616 is a `hidden beast` number, since 8 + 42 + 0 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 298116 = 2850^2 + 546^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8420616.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58405 + ... + 58548.

Almost surely, 2^8420616 is an apocalyptic number.

It is an amenable number.

8420616 is an abundant number, since it is smaller than the sum of its proper divisors (14385414).

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

8420616 is a wasteful number, since it uses less digits than its factorization.

8420616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116965 (or 116958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8420616 is about 2901.8297675777. The cubic root of 8420616 is about 203.4454373014.

The spelling of 8420616 in words is "eight million, four hundred twenty thousand, six hundred sixteen".