29899207 has 4 divisors (see below), whose sum is σ = 32199160. Its totient is φ = 27599256.

The previous prime is 29899193. The next prime is 29899231. The reversal of 29899207 is 70299892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29899207 - 2¹⁵ = 29866439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29899297) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1149957 + ... + 1149982.

It is an arithmetic number, because the mean of its divisors is an integer number (8049790).

Almost surely, 2^29899207 is an apocalyptic number.

29899207 is a deficient number, since it is larger than the sum of its proper divisors (2299953).

29899207 is a wasteful number, since it uses less digits than its factorization.

29899207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299952.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 29899207 is about 5468.0167336979. The cubic root of 29899207 is about 310.3748742759.

The spelling of 29899207 in words is "twenty-nine million, eight hundred ninety-nine thousand, two hundred seven".