29872249 has 8 divisors (see below), whose sum is σ = 33122880. Its totient is φ = 26710800.

The previous prime is 29872223. The next prime is 29872253. The reversal of 29872249 is 94227892.

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

It is a cyclic number.

It is not a de Polignac number, because 29872249 - 2⁷ = 29872121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29872279) 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, 21589 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (4140360).

Almost surely, 2^29872249 is an apocalyptic number.

It is an amenable number.

29872249 is a deficient number, since it is larger than the sum of its proper divisors (3250631).

29872249 is a wasteful number, since it uses less digits than its factorization.

29872249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44591.

The product of its digits is 145152, while the sum is 43.

The square root of 29872249 is about 5465.5511158528. The cubic root of 29872249 is about 310.2815652038.

It can be divided in two parts, 29 and 872249, that added together give a palindrome (872278).

The spelling of 29872249 in words is "twenty-nine million, eight hundred seventy-two thousand, two hundred forty-nine".