28854506 has 8 divisors (see below), whose sum is σ = 43308324. Its totient is φ = 14418400.

The previous prime is 28854503. The next prime is 28854509. The reversal of 28854506 is 60545882.

It is an interprime number because it is at equal distance from previous prime (28854503) and next prime (28854509).

It can be written as a sum of positive squares in 2 ways, for example, as 26265625 + 2588881 = 5125^2 + 1609^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28854506.

It is not an unprimeable number, because it can be changed into a prime (28854503) 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, 956 + ... + 7656.

Almost surely, 2^28854506 is an apocalyptic number.

28854506 is a deficient number, since it is larger than the sum of its proper divisors (14453818).

28854506 is a wasteful number, since it uses less digits than its factorization.

28854506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 28854506 is about 5371.6390422291. The cubic root of 28854506 is about 306.7170236041.

The spelling of 28854506 in words is "twenty-eight million, eight hundred fifty-four thousand, five hundred six".