28914102 has 96 divisors (see below), whose sum is σ = 76265280. Its totient is φ = 7741440.

The previous prime is 28914043. The next prime is 28914113. The reversal of 28914102 is 20141982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149718 + ... + 149910.

It is an arithmetic number, because the mean of its divisors is an integer number (794430).

Almost surely, 2^28914102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28914102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38132640).

28914102 is an abundant number, since it is smaller than the sum of its proper divisors (47351178).

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

28914102 is a wasteful number, since it uses less digits than its factorization.

28914102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 28914102 is about 5377.1834634872. The cubic root of 28914102 is about 306.9280424957.

The spelling of 28914102 in words is "twenty-eight million, nine hundred fourteen thousand, one hundred two".