28429235 has 8 divisors (see below), whose sum is σ = 34908720. Its totient is φ = 22214304.

The previous prime is 28429229. The next prime is 28429249. The reversal of 28429235 is 53292482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28429235 - 2⁶ = 28429171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28429195 and 28429204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65900 + ... + 66329.

It is an arithmetic number, because the mean of its divisors is an integer number (4363590).

Almost surely, 2^28429235 is an apocalyptic number.

28429235 is a deficient number, since it is larger than the sum of its proper divisors (6479485).

28429235 is a wasteful number, since it uses less digits than its factorization.

28429235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132277.

The product of its digits is 34560, while the sum is 35.

The square root of 28429235 is about 5331.9072572580. The cubic root of 28429235 is about 305.2027139358.

The spelling of 28429235 in words is "twenty-eight million, four hundred twenty-nine thousand, two hundred thirty-five".