28676361 has 16 divisors (see below), whose sum is σ = 43797888. Its totient is φ = 16348800.

The previous prime is 28676353. The next prime is 28676363. The reversal of 28676361 is 16367682.

It is not a de Polignac number, because 28676361 - 2³ = 28676353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28676363) 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 15 ways as a sum of consecutive naturals, for example, 9631 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (2737368).

Almost surely, 2^28676361 is an apocalyptic number.

28676361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28676361 is a deficient number, since it is larger than the sum of its proper divisors (15121527).

28676361 is a wasteful number, since it uses less digits than its factorization.

28676361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its digits is 72576, while the sum is 39.

The square root of 28676361 is about 5355.0313724571. The cubic root of 28676361 is about 306.0845061148.

The spelling of 28676361 in words is "twenty-eight million, six hundred seventy-six thousand, three hundred sixty-one".