8689057 has 8 divisors (see below), whose sum is σ = 9908136. Its totient is φ = 7548672.

The previous prime is 8689039. The next prime is 8689063. The reversal of 8689057 is 7509868.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2217121 + 6471936 = 1489^2 + 2544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8689057 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19438 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (1238517).

Almost surely, 2^8689057 is an apocalyptic number.

It is an amenable number.

8689057 is a deficient number, since it is larger than the sum of its proper divisors (1219079).

8689057 is a wasteful number, since it uses less digits than its factorization.

8689057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39347.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 8689057 is about 2947.7206448373. The cubic root of 8689057 is about 205.5847433379.

The spelling of 8689057 in words is "eight million, six hundred eighty-nine thousand, fifty-seven".