8090069 has 4 divisors (see below), whose sum is σ = 8712396. Its totient is φ = 7467744.

The previous prime is 8090057. The next prime is 8090081. The reversal of 8090069 is 9600908.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (8090057) and next prime (8090081).

It can be written as a sum of positive squares in 2 ways, for example, as 5244100 + 2845969 = 2290^2 + 1687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8090069 is a prime.

It is a super-2 number, since 2×8090069² = 130898432849522, 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 (8090099) 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, 311144 + ... + 311169.

It is an arithmetic number, because the mean of its divisors is an integer number (2178099).

Almost surely, 2^8090069 is an apocalyptic number.

It is an amenable number.

8090069 is a deficient number, since it is larger than the sum of its proper divisors (622327).

8090069 is a wasteful number, since it uses less digits than its factorization.

8090069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622326.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 8090069 is about 2844.3046601938. The cubic root of 8090069 is about 200.7477756733.

The spelling of 8090069 in words is "eight million, ninety thousand, sixty-nine".