28234108 has 24 divisors (see below), whose sum is σ = 57996512. Its totient is φ = 11772864.

The previous prime is 28234103. The next prime is 28234109. The reversal of 28234108 is 80143282.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28234103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12591 + ... + 14662.

Almost surely, 2^28234108 is an apocalyptic number.

28234108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28234108 is an abundant number, since it is smaller than the sum of its proper divisors (29762404).

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

28234108 is a wasteful number, since it uses less digits than its factorization.

28234108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27301 (or 27299 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 28234108 is about 5313.5777024525. The cubic root of 28234108 is about 304.5028467985.

The spelling of 28234108 in words is "twenty-eight million, two hundred thirty-four thousand, one hundred eight".