28551114 has 24 divisors (see below), whose sum is σ = 61990500. Its totient is φ = 9497088.

The previous prime is 28551101. The next prime is 28551139. The reversal of 28551114 is 41115582.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 514089 = 5295^2 + 717^2 .

It is a super-2 number, since 2×28551114² = 1630332221281992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9012 + ... + 11760.

Almost surely, 2^28551114 is an apocalyptic number.

28551114 is an abundant number, since it is smaller than the sum of its proper divisors (33439386).

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

28551114 is a wasteful number, since it uses less digits than its factorization.

28551114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3331 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 28551114 is about 5343.3242461973. The cubic root of 28551114 is about 305.6382370971.

Adding to 28551114 its reverse (41115582), we get a palindrome (69666696).

It can be divided in two parts, 2855 and 1114, that added together give a square (3969 = 63²).

The spelling of 28551114 in words is "twenty-eight million, five hundred fifty-one thousand, one hundred fourteen".