28146108 has 12 divisors (see below), whose sum is σ = 65674280. Its totient is φ = 9382032.

The previous prime is 28146077. The next prime is 28146119. The reversal of 28146108 is 80164182.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172743 + ... + 1172766.

Almost surely, 2^28146108 is an apocalyptic number.

It is an amenable number.

28146108 is an abundant number, since it is smaller than the sum of its proper divisors (37528172).

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

28146108 is a wasteful number, since it uses less digits than its factorization.

28146108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345516 (or 2345514 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 28146108 is about 5305.2905669718. The cubic root of 28146108 is about 304.1861596398.

The spelling of 28146108 in words is "twenty-eight million, one hundred forty-six thousand, one hundred eight".