28119834 has 24 divisors (see below), whose sum is σ = 61787232. Its totient is φ = 9240840.

The previous prime is 28119827. The next prime is 28119851. The reversal of 28119834 is 43891182.

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, 9724 + ... + 12279.

It is an arithmetic number, because the mean of its divisors is an integer number (2574468).

Almost surely, 2^28119834 is an apocalyptic number.

28119834 is an abundant number, since it is smaller than the sum of its proper divisors (33667398).

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

28119834 is a wasteful number, since it uses less digits than its factorization.

28119834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082 (or 22079 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 28119834 is about 5302.8137813806. The cubic root of 28119834 is about 304.0914789908.

The spelling of 28119834 in words is "twenty-eight million, one hundred nineteen thousand, eight hundred thirty-four".