29949443 has 4 divisors (see below), whose sum is σ = 29996808. Its totient is φ = 29902080.

The previous prime is 29949421. The next prime is 29949449. The reversal of 29949443 is 34494992.

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 29949443 - 2²⁴ = 13172227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29949394 and 29949403.

It is not an unprimeable number, because it can be changed into a prime (29949449) 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, 22721 + ... + 24002.

It is an arithmetic number, because the mean of its divisors is an integer number (7499202).

Almost surely, 2^29949443 is an apocalyptic number.

29949443 is a deficient number, since it is larger than the sum of its proper divisors (47365).

29949443 is an equidigital number, since it uses as much as digits as its factorization.

29949443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47364.

The product of its digits is 279936, while the sum is 44.

The square root of 29949443 is about 5472.6084274320. The cubic root of 29949443 is about 310.5486053929.

The spelling of 29949443 in words is "twenty-nine million, nine hundred forty-nine thousand, four hundred forty-three".