28734341 has 4 divisors (see below), whose sum is σ = 28861152. Its totient is φ = 28607532.

The previous prime is 28734323. The next prime is 28734347. The reversal of 28734341 is 14343782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14343782 = 2 ⋅7171891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28734341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28734298 and 28734307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734347) 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, 63065 + ... + 63518.

It is an arithmetic number, because the mean of its divisors is an integer number (7215288).

Almost surely, 2^28734341 is an apocalyptic number.

It is an amenable number.

28734341 is a deficient number, since it is larger than the sum of its proper divisors (126811).

28734341 is a wasteful number, since it uses less digits than its factorization.

28734341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126810.

The product of its digits is 16128, while the sum is 32.

The square root of 28734341 is about 5360.4422392187. The cubic root of 28734341 is about 306.2906553829.

The spelling of 28734341 in words is "twenty-eight million, seven hundred thirty-four thousand, three hundred forty-one".