29428265 has 4 divisors (see below), whose sum is σ = 35313924. Its totient is φ = 23542608.

The previous prime is 29428253. The next prime is 29428279. The reversal of 29428265 is 56282492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16410601 + 13017664 = 4051^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 29428265 - 2¹⁰ = 29427241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942822 + ... + 2942831.

It is an arithmetic number, because the mean of its divisors is an integer number (8828481).

Almost surely, 2^29428265 is an apocalyptic number.

It is an amenable number.

29428265 is a deficient number, since it is larger than the sum of its proper divisors (5885659).

29428265 is an equidigital number, since it uses as much as digits as its factorization.

29428265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885658.

The product of its digits is 69120, while the sum is 38.

The square root of 29428265 is about 5424.7824841186. The cubic root of 29428265 is about 308.7366727024.

The spelling of 29428265 in words is "twenty-nine million, four hundred twenty-eight thousand, two hundred sixty-five".