28164101 has 8 divisors (see below), whose sum is σ = 32285760. Its totient is φ = 24067008.

The previous prime is 28164091. The next prime is 28164107. The reversal of 28164101 is 10146182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-28164101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28164107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (4035720).

Almost surely, 2^28164101 is an apocalyptic number.

It is an amenable number.

28164101 is a deficient number, since it is larger than the sum of its proper divisors (4121659).

28164101 is a wasteful number, since it uses less digits than its factorization.

28164101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 28164101 is about 5306.9860561339. The cubic root of 28164101 is about 304.2509649963.

The spelling of 28164101 in words is "twenty-eight million, one hundred sixty-four thousand, one hundred one".