28895001 has 4 divisors (see below), whose sum is σ = 38526672. Its totient is φ = 19263332.

The previous prime is 28894997. The next prime is 28895003. The reversal of 28895001 is 10059882.

It is a happy number.

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 28895001 - 2² = 28894997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28895003) 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, 4815831 + ... + 4815836.

It is an arithmetic number, because the mean of its divisors is an integer number (9631668).

Almost surely, 2^28895001 is an apocalyptic number.

It is an amenable number.

28895001 is a deficient number, since it is larger than the sum of its proper divisors (9631671).

28895001 is an equidigital number, since it uses as much as digits as its factorization.

28895001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9631670.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 28895001 is about 5375.4070543541. The cubic root of 28895001 is about 306.8604408345.

The spelling of 28895001 in words is "twenty-eight million, eight hundred ninety-five thousand, one".