8620069 has 2 divisors, whose sum is σ = 8620070. Its totient is φ = 8620068.

The previous prime is 8620063. The next prime is 8620109. The reversal of 8620069 is 9600268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 429025 = 2862^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 8620069 - 2¹¹ = 8618021 is a prime.

It is a super-2 number, since 2×8620069² = 148611179129522, which contains 22 as substring.

8620069 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8620069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8620063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4310034 + 4310035.

It is an arithmetic number, because the mean of its divisors is an integer number (4310035).

Almost surely, 2^8620069 is an apocalyptic number.

It is an amenable number.

8620069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8620069 is an equidigital number, since it uses as much as digits as its factorization.

8620069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8620069 is about 2935.9954019038. The cubic root of 8620069 is about 205.0392072541.

The spelling of 8620069 in words is "eight million, six hundred twenty thousand, sixty-nine".