29942443 has 4 divisors (see below), whose sum is σ = 29987608. Its totient is φ = 29897280.

The previous prime is 29942417. The next prime is 29942447. The reversal of 29942443 is 34424992.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29942443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29942447) 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, 21573 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (7496902).

Almost surely, 2^29942443 is an apocalyptic number.

29942443 is a deficient number, since it is larger than the sum of its proper divisors (45165).

29942443 is an equidigital number, since it uses as much as digits as its factorization.

29942443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45164.

The product of its digits is 62208, while the sum is 37.

The square root of 29942443 is about 5471.9688412856. The cubic root of 29942443 is about 310.5244089538.

The spelling of 29942443 in words is "twenty-nine million, nine hundred forty-two thousand, four hundred forty-three".