29090897 has 4 divisors (see below), whose sum is σ = 31735536. Its totient is φ = 26446260.

The previous prime is 29090891. The next prime is 29090911. The reversal of 29090897 is 79809092.

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 a cyclic number.

It is not a de Polignac number, because 29090897 - 2⁸ = 29090641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29090891) 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, 1322303 + ... + 1322324.

It is an arithmetic number, because the mean of its divisors is an integer number (7933884).

Almost surely, 2^29090897 is an apocalyptic number.

It is an amenable number.

29090897 is a deficient number, since it is larger than the sum of its proper divisors (2644639).

29090897 is a wasteful number, since it uses less digits than its factorization.

29090897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644638.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 29090897 is about 5393.5977788485. The cubic root of 29090897 is about 307.5523413226.

The spelling of 29090897 in words is "twenty-nine million, ninety thousand, eight hundred ninety-seven".