29902245 has 8 divisors (see below), whose sum is σ = 47843616. Its totient is φ = 15947856.

The previous prime is 29902193. The next prime is 29902247. The reversal of 29902245 is 54220992.

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

It is not a de Polignac number, because 29902245 - 2⁹ = 29901733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29902247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996727 + ... + 996756.

It is an arithmetic number, because the mean of its divisors is an integer number (5980452).

Almost surely, 2^29902245 is an apocalyptic number.

It is an amenable number.

29902245 is a deficient number, since it is larger than the sum of its proper divisors (17941371).

29902245 is a wasteful number, since it uses less digits than its factorization.

29902245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993491.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 29902245 is about 5468.2945238895. The cubic root of 29902245 is about 310.3853861147.

The spelling of 29902245 in words is "twenty-nine million, nine hundred two thousand, two hundred forty-five".