29064869 has 4 divisors (see below), whose sum is σ = 29850444. Its totient is φ = 28279296.

The previous prime is 29064823. The next prime is 29064907. The reversal of 29064869 is 96846092.

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 25623844 + 3441025 = 5062^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29064869 is a prime.

It is a super-2 number, since 2×29064869² = 1689533219974322, 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 (29064569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392732 + ... + 392805.

It is an arithmetic number, because the mean of its divisors is an integer number (7462611).

Almost surely, 2^29064869 is an apocalyptic number.

It is an amenable number.

29064869 is a deficient number, since it is larger than the sum of its proper divisors (785575).

29064869 is an equidigital number, since it uses as much as digits as its factorization.

29064869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785574.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 29064869 is about 5391.1843782234. The cubic root of 29064869 is about 307.4605902741.

The spelling of 29064869 in words is "twenty-nine million, sixty-four thousand, eight hundred sixty-nine".