28580097 has 24 divisors (see below), whose sum is σ = 47164224. Its totient is φ = 15073344.

The previous prime is 28580063. The next prime is 28580113. The reversal of 28580097 is 79008582.

It is not a de Polignac number, because 28580097 - 2¹⁶ = 28514561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (28580017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (1965176).

Almost surely, 2^28580097 is an apocalyptic number.

It is an amenable number.

28580097 is a deficient number, since it is larger than the sum of its proper divisors (18584127).

28580097 is a wasteful number, since it uses less digits than its factorization.

28580097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089 (or 8076 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 28580097 is about 5346.0356340002. The cubic root of 28580097 is about 305.7416226402.

The spelling of 28580097 in words is "twenty-eight million, five hundred eighty thousand, ninety-seven".