28847601 has 6 divisors (see below), whose sum is σ = 41668770. Its totient is φ = 19231728.

The previous prime is 28847597. The next prime is 28847603. The reversal of 28847601 is 10674882.

28847601 is a `hidden beast` number, since 2 + 8 + 8 + 47 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20466576 + 8381025 = 4524^2 + 2895^2 .

It is not a de Polignac number, because 28847601 - 2² = 28847597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28847603) 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, 1602636 + ... + 1602653.

It is an arithmetic number, because the mean of its divisors is an integer number (6944795).

Almost surely, 2^28847601 is an apocalyptic number.

It is an amenable number.

28847601 is a deficient number, since it is larger than the sum of its proper divisors (12821169).

28847601 is a wasteful number, since it uses less digits than its factorization.

28847601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205295 (or 3205292 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28847601 is about 5370.9962762974. The cubic root of 28847601 is about 306.6925554441.

The spelling of 28847601 in words is "twenty-eight million, eight hundred forty-seven thousand, six hundred one".