28854747 has 6 divisors (see below), whose sum is σ = 41679092. Its totient is φ = 19236492.

The previous prime is 28854743. The next prime is 28854751. The reversal of 28854747 is 74745882.

It is an interprime number because it is at equal distance from previous prime (28854743) and next prime (28854751).

It is not a de Polignac number, because 28854747 - 2² = 28854743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28854743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1603033 + ... + 1603050.

Almost surely, 2^28854747 is an apocalyptic number.

28854747 is a deficient number, since it is larger than the sum of its proper divisors (12824345).

28854747 is a wasteful number, since it uses less digits than its factorization.

28854747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206089 (or 3206086 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 28854747 is about 5371.6614748139. The cubic root of 28854747 is about 306.7178775273.

The spelling of 28854747 in words is "twenty-eight million, eight hundred fifty-four thousand, seven hundred forty-seven".