29880089 has 4 divisors (see below), whose sum is σ = 29898240. Its totient is φ = 29861940.

The previous prime is 29880079. The next prime is 29880113. The reversal of 29880089 is 98008892.

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 29880089 - 2⁴ = 29880073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29880079) 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, 6329 + ... + 9990.

It is an arithmetic number, because the mean of its divisors is an integer number (7474560).

Almost surely, 2^29880089 is an apocalyptic number.

It is an amenable number.

29880089 is a deficient number, since it is larger than the sum of its proper divisors (18151).

29880089 is a wasteful number, since it uses less digits than its factorization.

29880089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18150.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 29880089 is about 5466.2682883298. The cubic root of 29880089 is about 310.3087073928.

The spelling of 29880089 in words is "twenty-nine million, eight hundred eighty thousand, eighty-nine".