29000917 has 12 divisors (see below), whose sum is σ = 32247180. Its totient is φ = 26058560.

The previous prime is 29000893. The next prime is 29000941. The reversal of 29000917 is 71900092.

It is an interprime number because it is at equal distance from previous prime (29000893) and next prime (29000941).

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 20439441 = 2926^2 + 4521^2 .

It is not a de Polignac number, because 29000917 - 2¹⁹ = 28476629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29000617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9423 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (2687265).

Almost surely, 2^29000917 is an apocalyptic number.

29000917 is the 2693-rd decagonal number.

It is an amenable number.

29000917 is a deficient number, since it is larger than the sum of its proper divisors (3246263).

29000917 is a wasteful number, since it uses less digits than its factorization.

29000917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 29000917 is about 5385.2499477740. The cubic root of 29000917 is about 307.2349208270.

The spelling of 29000917 in words is "twenty-nine million, nine hundred seventeen", and thus it is an aban number.