28446101 has 4 divisors (see below), whose sum is σ = 29682912. Its totient is φ = 27209292.

The previous prime is 28446073. The next prime is 28446109. The reversal of 28446101 is 10164482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28446101 - 2¹⁸ = 28183957 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 (28446109) 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, 618371 + ... + 618416.

It is an arithmetic number, because the mean of its divisors is an integer number (7420728).

Almost surely, 2^28446101 is an apocalyptic number.

It is an amenable number.

28446101 is a deficient number, since it is larger than the sum of its proper divisors (1236811).

28446101 is a wasteful number, since it uses less digits than its factorization.

28446101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236810.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28446101 is about 5333.4886331556. The cubic root of 28446101 is about 305.2630571161.

The spelling of 28446101 in words is "twenty-eight million, four hundred forty-six thousand, one hundred one".