80469 has 6 divisors (see below), whose sum is σ = 116246. Its totient is φ = 53640.

The previous prime is 80449. The next prime is 80471. The reversal of 80469 is 96408.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 7569 = 270^2 + 87^2 .

It is not a de Polignac number, because 80469 - 2⁷ = 80341 is a prime.

It is a super-2 number, since 2×80469² = 12950519922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4462 + ... + 4479.

2⁸⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

80469 is a deficient number, since it is larger than the sum of its proper divisors (35777).

80469 is a wasteful number, since it uses less digits than its factorization.

80469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 80469 is about 283.6705836001. The cubic root of 80469 is about 43.1727322779.

The spelling of 80469 in words is "eighty thousand, four hundred sixty-nine".