28898097 has 8 divisors (see below), whose sum is σ = 40206144. Its totient is φ = 18427728.

The previous prime is 28898081. The next prime is 28898099. The reversal of 28898097 is 79089882.

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

It is not a de Polignac number, because 28898097 - 2⁴ = 28898081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28898099) 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, 209338 + ... + 209475.

It is an arithmetic number, because the mean of its divisors is an integer number (5025768).

Almost surely, 2^28898097 is an apocalyptic number.

It is an amenable number.

28898097 is a deficient number, since it is larger than the sum of its proper divisors (11308047).

28898097 is a wasteful number, since it uses less digits than its factorization.

28898097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418839.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 28898097 is about 5375.6950248317. The cubic root of 28898097 is about 306.8714001234.

The spelling of 28898097 in words is "twenty-eight million, eight hundred ninety-eight thousand, ninety-seven".