28134349 has 8 divisors (see below), whose sum is σ = 28636160. Its totient is φ = 27636336.

The previous prime is 28134331. The next prime is 28134367. The reversal of 28134349 is 94343182.

It is an interprime number because it is at equal distance from previous prime (28134331) and next prime (28134367).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28134349 - 2¹¹ = 28132301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16819 + ... + 18415.

It is an arithmetic number, because the mean of its divisors is an integer number (3579520).

Almost surely, 2^28134349 is an apocalyptic number.

It is an amenable number.

28134349 is a deficient number, since it is larger than the sum of its proper divisors (501811).

28134349 is a wasteful number, since it uses less digits than its factorization.

28134349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its digits is 20736, while the sum is 34.

The square root of 28134349 is about 5304.1822178353. The cubic root of 28134349 is about 304.1437923458.

The spelling of 28134349 in words is "twenty-eight million, one hundred thirty-four thousand, three hundred forty-nine".