28585101 has 8 divisors (see below), whose sum is σ = 40119520. Its totient is φ = 18053712.

The previous prime is 28585093. The next prime is 28585103. The reversal of 28585101 is 10158582.

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

It is not a de Polignac number, because 28585101 - 2³ = 28585093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28585103) 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, 250690 + ... + 250803.

It is an arithmetic number, because the mean of its divisors is an integer number (5014940).

Almost surely, 2^28585101 is an apocalyptic number.

It is an amenable number.

28585101 is a deficient number, since it is larger than the sum of its proper divisors (11534419).

28585101 is a wasteful number, since it uses less digits than its factorization.

28585101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501515.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 28585101 is about 5346.5036238649. The cubic root of 28585101 is about 305.7594653811.

The spelling of 28585101 in words is "twenty-eight million, five hundred eighty-five thousand, one hundred one".