8669261 has 4 divisors (see below), whose sum is σ = 8788092. Its totient is φ = 8550432.

The previous prime is 8669251. The next prime is 8669279. The reversal of 8669261 is 1629668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 6220036 = 1565^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 8669261 - 2¹⁸ = 8407117 is a prime.

It is a super-2 number, since 2×8669261² = 150312172572242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59306 + ... + 59451.

It is an arithmetic number, because the mean of its divisors is an integer number (2197023).

Almost surely, 2^8669261 is an apocalyptic number.

It is an amenable number.

8669261 is a deficient number, since it is larger than the sum of its proper divisors (118831).

8669261 is a wasteful number, since it uses less digits than its factorization.

8669261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118830.

The product of its digits is 31104, while the sum is 38.

The square root of 8669261 is about 2944.3608814138. The cubic root of 8669261 is about 205.4284989123.

The spelling of 8669261 in words is "eight million, six hundred sixty-nine thousand, two hundred sixty-one".