29428307 has 4 divisors (see below), whose sum is σ = 29510640. Its totient is φ = 29345976.

The previous prime is 29428279. The next prime is 29428327. The reversal of 29428307 is 70382492.

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 29428307 - 2⁸ = 29428051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29428327) 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, 40628 + ... + 41345.

It is an arithmetic number, because the mean of its divisors is an integer number (7377660).

Almost surely, 2^29428307 is an apocalyptic number.

29428307 is a deficient number, since it is larger than the sum of its proper divisors (82333).

29428307 is an equidigital number, since it uses as much as digits as its factorization.

29428307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82332.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 29428307 is about 5424.7863552402. The cubic root of 29428307 is about 308.7368195786.

The spelling of 29428307 in words is "twenty-nine million, four hundred twenty-eight thousand, three hundred seven".