28541973 has 8 divisors (see below), whose sum is σ = 38248000. Its totient is φ = 18931968.

The previous prime is 28541939. The next prime is 28541983. The reversal of 28541973 is 37914582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-28541973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23308 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (4781000).

Almost surely, 2^28541973 is an apocalyptic number.

It is an amenable number.

28541973 is a deficient number, since it is larger than the sum of its proper divisors (9706027).

28541973 is a wasteful number, since it uses less digits than its factorization.

28541973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48011.

The product of its digits is 60480, while the sum is 39.

The square root of 28541973 is about 5342.4688113268. The cubic root of 28541973 is about 305.6056156340.

The spelling of 28541973 in words is "twenty-eight million, five hundred forty-one thousand, nine hundred seventy-three".