29085897 has 4 divisors (see below), whose sum is σ = 38781200. Its totient is φ = 19390596.

The previous prime is 29085877. The next prime is 29085899. The reversal of 29085897 is 79858092.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29085897 - 2¹⁹ = 28561609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29085899) 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, 4847647 + ... + 4847652.

It is an arithmetic number, because the mean of its divisors is an integer number (9695300).

Almost surely, 2^29085897 is an apocalyptic number.

It is an amenable number.

29085897 is a deficient number, since it is larger than the sum of its proper divisors (9695303).

29085897 is an equidigital number, since it uses as much as digits as its factorization.

29085897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695302.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 29085897 is about 5393.1342464285. The cubic root of 29085897 is about 307.5347201195.

The spelling of 29085897 in words is "twenty-nine million, eighty-five thousand, eight hundred ninety-seven".