28169673 has 16 divisors (see below), whose sum is σ = 43370880. Its totient is φ = 15929856.

The previous prime is 28169671. The next prime is 28169683. The reversal of 28169673 is 37696182.

It is a happy number.

It is not a de Polignac number, because 28169673 - 2¹ = 28169671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28169671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (2710680).

Almost surely, 2^28169673 is an apocalyptic number.

It is an amenable number.

28169673 is a deficient number, since it is larger than the sum of its proper divisors (15201207).

28169673 is a wasteful number, since it uses less digits than its factorization.

28169673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936.

The product of its digits is 108864, while the sum is 42.

The square root of 28169673 is about 5307.5109985755. The cubic root of 28169673 is about 304.2710280616.

The spelling of 28169673 in words is "twenty-eight million, one hundred sixty-nine thousand, six hundred seventy-three".