28106467 has 4 divisors (see below), whose sum is σ = 28422360. Its totient is φ = 27790576.

The previous prime is 28106447. The next prime is 28106473. The reversal of 28106467 is 76460182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28106467 - 2¹⁹ = 27582179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28106447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157813 + ... + 157990.

It is an arithmetic number, because the mean of its divisors is an integer number (7105590).

Almost surely, 2^28106467 is an apocalyptic number.

28106467 is a deficient number, since it is larger than the sum of its proper divisors (315893).

28106467 is an equidigital number, since it uses as much as digits as its factorization.

28106467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315892.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28106467 is about 5301.5532629598. The cubic root of 28106467 is about 304.0432872051.

The spelling of 28106467 in words is "twenty-eight million, one hundred six thousand, four hundred sixty-seven".