28346955 has 64 divisors (see below), whose sum is σ = 58813440. Its totient is φ = 11321856.

The previous prime is 28346947. The next prime is 28346957. The reversal of 28346955 is 55964382.

28346955 = T₂₂₄ + T₂₂₅ + ... + T₅₆₅.

It is not a de Polignac number, because 28346955 - 2³ = 28346947 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28346957) 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 63 ways as a sum of consecutive naturals, for example, 25389 + ... + 26481.

It is an arithmetic number, because the mean of its divisors is an integer number (918960).

Almost surely, 2^28346955 is an apocalyptic number.

28346955 is an abundant number, since it is smaller than the sum of its proper divisors (30466485).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28346955 is a wasteful number, since it uses less digits than its factorization.

28346955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its digits is 259200, while the sum is 42.

The square root of 28346955 is about 5324.1858532549. The cubic root of 28346955 is about 304.9079898038.

The spelling of 28346955 in words is "twenty-eight million, three hundred forty-six thousand, nine hundred fifty-five".