28673541 has 32 divisors (see below), whose sum is σ = 46135040. Its totient is φ = 17496000.

The previous prime is 28673507. The next prime is 28673549. The reversal of 28673541 is 14537682.

It is not a de Polignac number, because 28673541 - 2¹¹ = 28671493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28673496 and 28673505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673549) 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 31 ways as a sum of consecutive naturals, for example, 52731 + ... + 53271.

It is an arithmetic number, because the mean of its divisors is an integer number (1441720).

Almost surely, 2^28673541 is an apocalyptic number.

It is an amenable number.

28673541 is a deficient number, since it is larger than the sum of its proper divisors (17461499).

28673541 is a wasteful number, since it uses less digits than its factorization.

28673541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 28673541 is about 5354.7680622040. The cubic root of 28673541 is about 306.0744724544.

The spelling of 28673541 in words is "twenty-eight million, six hundred seventy-three thousand, five hundred forty-one".