28894395 has 8 divisors (see below), whose sum is σ = 46231056. Its totient is φ = 15410336.

The previous prime is 28894391. The next prime is 28894399. The reversal of 28894395 is 59349882.

It is an interprime number because it is at equal distance from previous prime (28894391) and next prime (28894399).

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

It is a cyclic number.

It is not a de Polignac number, because 28894395 - 2² = 28894391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28894391) 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, 963132 + ... + 963161.

It is an arithmetic number, because the mean of its divisors is an integer number (5778882).

Almost surely, 2^28894395 is an apocalyptic number.

28894395 is a deficient number, since it is larger than the sum of its proper divisors (17336661).

28894395 is a wasteful number, since it uses less digits than its factorization.

28894395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926301.

The product of its digits is 622080, while the sum is 48.

The square root of 28894395 is about 5375.3506862343. The cubic root of 28894395 is about 306.8582956107.

The spelling of 28894395 in words is "twenty-eight million, eight hundred ninety-four thousand, three hundred ninety-five".