28896241 has 4 divisors (see below), whose sum is σ = 31523184. Its totient is φ = 26269300.

The previous prime is 28896233. The next prime is 28896271. The reversal of 28896241 is 14269882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28896241 - 2³ = 28896233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28896194 and 28896203.

It is not an unprimeable number, because it can be changed into a prime (28896221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313455 + ... + 1313476.

It is an arithmetic number, because the mean of its divisors is an integer number (7880796).

Almost surely, 2^28896241 is an apocalyptic number.

It is an amenable number.

28896241 is a deficient number, since it is larger than the sum of its proper divisors (2626943).

28896241 is a wasteful number, since it uses less digits than its factorization.

28896241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626942.

The product of its digits is 55296, while the sum is 40.

The square root of 28896241 is about 5375.5223932191. The cubic root of 28896241 is about 306.8648303077.

The spelling of 28896241 in words is "twenty-eight million, eight hundred ninety-six thousand, two hundred forty-one".