28854207 has 24 divisors (see below), whose sum is σ = 42810768. Its totient is φ = 18720000.

The previous prime is 28854181. The next prime is 28854209. The reversal of 28854207 is 70245882.

It is a happy number.

It is not a de Polignac number, because 28854207 - 2¹⁵ = 28821439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114832 + ... + 115082.

It is an arithmetic number, because the mean of its divisors is an integer number (1783782).

Almost surely, 2^28854207 is an apocalyptic number.

28854207 is a deficient number, since it is larger than the sum of its proper divisors (13956561).

28854207 is a wasteful number, since it uses less digits than its factorization.

28854207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 28854207 is about 5371.6112108007. The cubic root of 28854207 is about 306.7159641658.

The spelling of 28854207 in words is "twenty-eight million, eight hundred fifty-four thousand, two hundred seven".