28934411 has 8 divisors (see below), whose sum is σ = 31606848. Its totient is φ = 26269000.

The previous prime is 28934393. The next prime is 28934413. The reversal of 28934411 is 11443982.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28934411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28934413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (3950856).

Almost surely, 2^28934411 is an apocalyptic number.

28934411 is a deficient number, since it is larger than the sum of its proper divisors (2672437).

28934411 is a wasteful number, since it uses less digits than its factorization.

28934411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513.

The product of its digits is 6912, while the sum is 32.

The square root of 28934411 is about 5379.0715741659. The cubic root of 28934411 is about 306.9998868246. Note that the first 3 decimals are identical.

Adding to 28934411 its sum of digits (32), we get a cube (28934443 = 307³).

It can be divided in two parts, 28 and 934411, that added together give a palindrome (934439).

The spelling of 28934411 in words is "twenty-eight million, nine hundred thirty-four thousand, four hundred eleven".