8691044 has 6 divisors (see below), whose sum is σ = 15209334. Its totient is φ = 4345520.

The previous prime is 8691043. The next prime is 8691091. The reversal of 8691044 is 4401968.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 2137444 = 2560^2 + 1462^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8691044.

It is not an unprimeable number, because it can be changed into a prime (8691043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086377 + ... + 1086384.

It is an arithmetic number, because the mean of its divisors is an integer number (2534889).

Almost surely, 2^8691044 is an apocalyptic number.

It is an amenable number.

8691044 is a deficient number, since it is larger than the sum of its proper divisors (6518290).

8691044 is a wasteful number, since it uses less digits than its factorization.

8691044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172765 (or 2172763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8691044 is about 2948.0576656504. The cubic root of 8691044 is about 205.6004130763.

The spelling of 8691044 in words is "eight million, six hundred ninety-one thousand, forty-four".