826434069 has 16 divisors (see below), whose sum is σ = 1111888512. Its totient is φ = 545988608.

The previous prime is 826434047. The next prime is 826434097. The reversal of 826434069 is 960434628.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 826434069 - 2⁷ = 826433941 is a prime.

It is a super-2 number, since 2×826434069² = 1365986540807793522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 826434069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826434269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174517 + ... + 179189.

It is an arithmetic number, because the mean of its divisors is an integer number (69493032).

Almost surely, 2^826434069 is an apocalyptic number.

It is an amenable number.

826434069 is a deficient number, since it is larger than the sum of its proper divisors (285454443).

826434069 is a wasteful number, since it uses less digits than its factorization.

826434069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 826434069 is about 28747.7663306212. The cubic root of 826434069 is about 938.4318463020.

The spelling of 826434069 in words is "eight hundred twenty-six million, four hundred thirty-four thousand, sixty-nine".