28614855 has 16 divisors (see below), whose sum is σ = 48193920. Its totient is φ = 14457888.

The previous prime is 28614853. The next prime is 28614913. The reversal of 28614855 is 55841682.

It is not a de Polignac number, because 28614855 - 2¹ = 28614853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28614853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49917 + ... + 50486.

It is an arithmetic number, because the mean of its divisors is an integer number (3012120).

Almost surely, 2^28614855 is an apocalyptic number.

28614855 is a deficient number, since it is larger than the sum of its proper divisors (19579065).

28614855 is a wasteful number, since it uses less digits than its factorization.

28614855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100430.

The product of its digits is 76800, while the sum is 39.

The square root of 28614855 is about 5349.2854663030. The cubic root of 28614855 is about 305.8655161105.

The spelling of 28614855 in words is "twenty-eight million, six hundred fourteen thousand, eight hundred fifty-five".