29090317 has 6 divisors (see below), whose sum is σ = 29784462. Its totient is φ = 28411992.

The previous prime is 29090297. The next prime is 29090339. The reversal of 29090317 is 71309092.

It can be written as a sum of positive squares in only one way, i.e., 19236996 + 9853321 = 4386^2 + 3139^2 .

It is not a de Polignac number, because 29090317 - 2¹⁵ = 29057549 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 (29090357) 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, 6018 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (4964077).

Almost surely, 2^29090317 is an apocalyptic number.

It is an amenable number.

29090317 is a deficient number, since it is larger than the sum of its proper divisors (694145).

29090317 is an equidigital number, since it uses as much as digits as its factorization.

29090317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15819 (or 15776 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 29090317 is about 5393.5440111303. The cubic root of 29090317 is about 307.5502973666.

The spelling of 29090317 in words is "twenty-nine million, ninety thousand, three hundred seventeen".