28898085 has 16 divisors (see below), whose sum is σ = 46414080. Its totient is φ = 15353280.

The previous prime is 28898081. The next prime is 28898099. The reversal of 28898085 is 58089882.

It is not a de Polignac number, because 28898085 - 2² = 28898081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (2900880).

Almost surely, 2^28898085 is an apocalyptic number.

It is an amenable number.

28898085 is a deficient number, since it is larger than the sum of its proper divisors (17515995).

28898085 is a wasteful number, since it uses less digits than its factorization.

28898085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388.

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 28898085 is about 5375.6939086968. The cubic root of 28898085 is about 306.8713576471.

The spelling of 28898085 in words is "twenty-eight million, eight hundred ninety-eight thousand, eighty-five".