806091469 has 4 divisors (see below), whose sum is σ = 821300796. Its totient is φ = 790882144.

The previous prime is 806091457. The next prime is 806091487. The reversal of 806091469 is 964190608.

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 717543369 + 88548100 = 26787^2 + 9410^2 .

It is a cyclic number.

It is not a de Polignac number, because 806091469 - 2²³ = 797702861 is a prime.

It is a super-2 number, since 2×806091469² = 1299566912789155922, 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 (806091409) 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, 7604584 + ... + 7604689.

It is an arithmetic number, because the mean of its divisors is an integer number (205325199).

Almost surely, 2^806091469 is an apocalyptic number.

It is an amenable number.

806091469 is a deficient number, since it is larger than the sum of its proper divisors (15209327).

806091469 is a wasteful number, since it uses less digits than its factorization.

806091469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209326.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 806091469 is about 28391.7500165101. The cubic root of 806091469 is about 930.6679861982.

The spelling of 806091469 in words is "eight hundred six million, ninety-one thousand, four hundred sixty-nine".