8440616 has 8 divisors (see below), whose sum is σ = 15826170. Its totient is φ = 4220304.

The previous prime is 8440613. The next prime is 8440637. The reversal of 8440616 is 6160448.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 3818116 = 2150^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8440613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527531 + ... + 527546.

Almost surely, 2^8440616 is an apocalyptic number.

It is an amenable number.

8440616 is a deficient number, since it is larger than the sum of its proper divisors (7385554).

8440616 is a wasteful number, since it uses less digits than its factorization.

8440616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055083 (or 1055079 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8440616 is about 2905.2738253046. The cubic root of 8440616 is about 203.6063792722.

The spelling of 8440616 in words is "eight million, four hundred forty thousand, six hundred sixteen".