28847007 has 12 divisors (see below), whose sum is σ = 47620560. Its totient is φ = 16483968.

The previous prime is 28847003. The next prime is 28847029. The reversal of 28847007 is 70074882.

It is not a de Polignac number, because 28847007 - 2² = 28847003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28847003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228882 + ... + 229007.

It is an arithmetic number, because the mean of its divisors is an integer number (3968380).

Almost surely, 2^28847007 is an apocalyptic number.

28847007 is a deficient number, since it is larger than the sum of its proper divisors (18773553).

28847007 is a wasteful number, since it uses less digits than its factorization.

28847007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457902 (or 457899 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 28847007 is about 5370.9409790092. The cubic root of 28847007 is about 306.6904503976.

The spelling of 28847007 in words is "twenty-eight million, eight hundred forty-seven thousand, seven".