8661364 has 12 divisors (see below), whose sum is σ = 16049124. Its totient is φ = 4075904.

The previous prime is 8661353. The next prime is 8661383. The reversal of 8661364 is 4631668.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 4284900 = 2092^2 + 2070^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63619 + ... + 63754.

It is an arithmetic number, because the mean of its divisors is an integer number (1337427).

Almost surely, 2^8661364 is an apocalyptic number.

It is an amenable number.

8661364 is a deficient number, since it is larger than the sum of its proper divisors (7387760).

8661364 is a wasteful number, since it uses less digits than its factorization.

8661364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127394 (or 127392 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 8661364 is about 2943.0195378217. The cubic root of 8661364 is about 205.3661036788.

It can be divided in two parts, 8661 and 364, that added together give a square (9025 = 95²).

The spelling of 8661364 in words is "eight million, six hundred sixty-one thousand, three hundred sixty-four".