28364205 has 16 divisors (see below), whose sum is σ = 45501120. Its totient is φ = 15088128.

The previous prime is 28364197. The next prime is 28364213. The reversal of 28364205 is 50246382.

It is an interprime number because it is at equal distance from previous prime (28364197) and next prime (28364213).

It is not a de Polignac number, because 28364205 - 2³ = 28364197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4029 + ... + 8541.

It is an arithmetic number, because the mean of its divisors is an integer number (2843820).

Almost surely, 2^28364205 is an apocalyptic number.

It is an amenable number.

28364205 is a deficient number, since it is larger than the sum of its proper divisors (17136915).

28364205 is a wasteful number, since it uses less digits than its factorization.

28364205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 28364205 is about 5325.8055728688. The cubic root of 28364205 is about 304.9698259140.

The spelling of 28364205 in words is "twenty-eight million, three hundred sixty-four thousand, two hundred five".