28324541 has 8 divisors (see below), whose sum is σ = 32692224. Its totient is φ = 24037200.

The previous prime is 28324537. The next prime is 28324547. The reversal of 28324541 is 14542382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28324541 - 2² = 28324537 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 (28324547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19325 + ... + 20738.

It is an arithmetic number, because the mean of its divisors is an integer number (4086528).

Almost surely, 2^28324541 is an apocalyptic number.

It is an amenable number.

28324541 is a deficient number, since it is larger than the sum of its proper divisors (4367683).

28324541 is a wasteful number, since it uses less digits than its factorization.

28324541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40171.

The product of its digits is 7680, while the sum is 29.

The square root of 28324541 is about 5322.0805142350. The cubic root of 28324541 is about 304.8276048060.

The spelling of 28324541 in words is "twenty-eight million, three hundred twenty-four thousand, five hundred forty-one".