29998115 has 16 divisors (see below), whose sum is σ = 43561152. Its totient is φ = 19359744.

The previous prime is 29998099. The next prime is 29998121. The reversal of 29998115 is 51189992.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29998115 - 2⁴ = 29998099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24614 + ... + 25803.

It is an arithmetic number, because the mean of its divisors is an integer number (2722572).

Almost surely, 2^29998115 is an apocalyptic number.

29998115 is a deficient number, since it is larger than the sum of its proper divisors (13563037).

29998115 is a wasteful number, since it uses less digits than its factorization.

29998115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50446.

The product of its digits is 58320, while the sum is 44.

The square root of 29998115 is about 5477.0534961784. The cubic root of 29998115 is about 310.7167425332.

The spelling of 29998115 in words is "twenty-nine million, nine hundred ninety-eight thousand, one hundred fifteen".