28106334 has 12 divisors (see below), whose sum is σ = 60897096. Its totient is φ = 9368772.

The previous prime is 28106311. The next prime is 28106357. The reversal of 28106334 is 43360182.

It is a happy number.

28106334 is a `hidden beast` number, since 28 + 1 + 0 + 633 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (28106311) and next prime (28106357).

It is a junction number, because it is equal to n+sod(n) for n = 28106298 and 28106307.

It is a congruent number.

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, 780714 + ... + 780749.

It is an arithmetic number, because the mean of its divisors is an integer number (5074758).

Almost surely, 2^28106334 is an apocalyptic number.

28106334 is an abundant number, since it is smaller than the sum of its proper divisors (32790762).

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

28106334 is a wasteful number, since it uses less digits than its factorization.

28106334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561471 (or 1561468 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28106334 is about 5301.5407194513. The cubic root of 28106334 is about 304.0428076260.

The spelling of 28106334 in words is "twenty-eight million, one hundred six thousand, three hundred thirty-four".