28917301 has 8 divisors (see below), whose sum is σ = 33723200. Its totient is φ = 24785964.

The previous prime is 28917299. The next prime is 28917307. The reversal of 28917301 is 10371982.

It is not a de Polignac number, because 28917301 - 2¹ = 28917299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28917307) 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, 41811 + ... + 42496.

It is an arithmetic number, because the mean of its divisors is an integer number (4215400).

Almost surely, 2^28917301 is an apocalyptic number.

It is an amenable number.

28917301 is a deficient number, since it is larger than the sum of its proper divisors (4805899).

28917301 is an frugal number, since it uses more digits than its factorization.

28917301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84328 (or 84314 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 28917301 is about 5377.4809158192. The cubic root of 28917301 is about 306.9393613855.

The spelling of 28917301 in words is "twenty-eight million, nine hundred seventeen thousand, three hundred one".