29428049 has 4 divisors (see below), whose sum is σ = 33632064. Its totient is φ = 25224036.

The previous prime is 29428031. The next prime is 29428051. The reversal of 29428049 is 94082492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29428049 - 2²⁰ = 28379473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29424049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101997 + ... + 2102010.

It is an arithmetic number, because the mean of its divisors is an integer number (8408016).

Almost surely, 2^29428049 is an apocalyptic number.

It is an amenable number.

29428049 is a deficient number, since it is larger than the sum of its proper divisors (4204015).

29428049 is an equidigital number, since it uses as much as digits as its factorization.

29428049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204014.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 29428049 is about 5424.7625754497. The cubic root of 29428049 is about 308.7359173370.

The spelling of 29428049 in words is "twenty-nine million, four hundred twenty-eight thousand, forty-nine".