28834136 has 16 divisors (see below), whose sum is σ = 54133440. Its totient is φ = 14398560.

The previous prime is 28834133. The next prime is 28834139. The reversal of 28834136 is 63143882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28834133) and next prime (28834139).

It is a junction number, because it is equal to n+sod(n) for n = 28834096 and 28834105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110 + ... + 9746.

It is an arithmetic number, because the mean of its divisors is an integer number (3383340).

Almost surely, 2^28834136 is an apocalyptic number.

It is an amenable number.

28834136 is a deficient number, since it is larger than the sum of its proper divisors (25299304).

28834136 is a wasteful number, since it uses less digits than its factorization.

28834136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4630 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 28834136 is about 5369.7426381532. The cubic root of 28834136 is about 306.6448304133.

The spelling of 28834136 in words is "twenty-eight million, eight hundred thirty-four thousand, one hundred thirty-six".