28605029 has 8 divisors (see below), whose sum is σ = 29319840. Its totient is φ = 27898000.

The previous prime is 28605023. The next prime is 28605043. The reversal of 28605029 is 92050682.

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 28605029 - 2⁸ = 28604773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28604986 and 28605004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28605023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5879 + ... + 9579.

It is an arithmetic number, because the mean of its divisors is an integer number (3664980).

Almost surely, 2^28605029 is an apocalyptic number.

It is an amenable number.

28605029 is a deficient number, since it is larger than the sum of its proper divisors (714811).

28605029 is a wasteful number, since it uses less digits than its factorization.

28605029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 28605029 is about 5348.3669470222. The cubic root of 28605029 is about 305.8305019120.

The spelling of 28605029 in words is "twenty-eight million, six hundred five thousand, twenty-nine".