1108644836 has 48 divisors (see below), whose sum is σ = 2164216320. Its totient is φ = 493664640.

The previous prime is 1108644833. The next prime is 1108644839. The reversal of 1108644836 is 6384468011.

It is an interprime number because it is at equal distance from previous prime (1108644833) and next prime (1108644839).

It is a junction number, because it is equal to n+sod(n) for n = 1108644793 and 1108644802.

It is not an unprimeable number, because it can be changed into a prime (1108644833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170330 + ... + 176718.

It is an arithmetic number, because the mean of its divisors is an integer number (45087840).

Almost surely, 2^1108644836 is an apocalyptic number.

It is an amenable number.

1108644836 is a deficient number, since it is larger than the sum of its proper divisors (1055571484).

1108644836 is a wasteful number, since it uses less digits than its factorization.

1108644836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524 (or 6522 counting only the distinct ones).

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

The square root of 1108644836 is about 33296.3186553709. The cubic root of 1108644836 is about 1034.9772719382.

The spelling of 1108644836 in words is "one billion, one hundred eight million, six hundred forty-four thousand, eight hundred thirty-six".