28578114 has 12 divisors (see below), whose sum is σ = 61919286. Its totient is φ = 9526032.

The previous prime is 28578103. The next prime is 28578127. The reversal of 28578114 is 41187582.

It can be written as a sum of positive squares in only one way, i.e., 27405225 + 1172889 = 5235^2 + 1083^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 793819 + ... + 793854.

Almost surely, 2^28578114 is an apocalyptic number.

28578114 is an abundant number, since it is smaller than the sum of its proper divisors (33341172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28578114 is a wasteful number, since it uses less digits than its factorization.

28578114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587681 (or 1587678 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 28578114 is about 5345.8501662505. The cubic root of 28578114 is about 305.7345512896.

The spelling of 28578114 in words is "twenty-eight million, five hundred seventy-eight thousand, one hundred fourteen".