29798885 has 8 divisors (see below), whose sum is σ = 36127896. Its totient is φ = 23592960.

The previous prime is 29798849. The next prime is 29798887. The reversal of 29798885 is 58889792.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 27888961 = 1382^2 + 5281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29798885 - 2¹⁰ = 29797861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29798885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29798887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30236 + ... + 31205.

It is an arithmetic number, because the mean of its divisors is an integer number (4515987).

Almost surely, 2^29798885 is an apocalyptic number.

It is an amenable number.

29798885 is a deficient number, since it is larger than the sum of its proper divisors (6329011).

29798885 is an equidigital number, since it uses as much as digits as its factorization.

29798885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61543.

The product of its digits is 2903040, while the sum is 56.

The square root of 29798885 is about 5458.8354985290. The cubic root of 29798885 is about 310.0273475700.

The spelling of 29798885 in words is "twenty-nine million, seven hundred ninety-eight thousand, eight hundred eighty-five".