28585929 has 8 divisors (see below), whose sum is σ = 38492352. Its totient is φ = 18868400.

The previous prime is 28585901. The next prime is 28585939. The reversal of 28585929 is 92958582.

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 28585929 - 2⁷ = 28585801 is a prime.

It is a super-3 number, since 3×28585929³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28585939) 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, 46869 + ... + 47474.

It is an arithmetic number, because the mean of its divisors is an integer number (4811544).

Almost surely, 2^28585929 is an apocalyptic number.

It is an amenable number.

28585929 is a deficient number, since it is larger than the sum of its proper divisors (9906423).

28585929 is a wasteful number, since it uses less digits than its factorization.

28585929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94447.

The product of its digits is 518400, while the sum is 48.

The square root of 28585929 is about 5346.5810570869. The cubic root of 28585929 is about 305.7624175763.

The spelling of 28585929 in words is "twenty-eight million, five hundred eighty-five thousand, nine hundred twenty-nine".