28768411 has 8 divisors (see below), whose sum is σ = 33016544. Its totient is φ = 24554880.

The previous prime is 28768379. The next prime is 28768427. The reversal of 28768411 is 11486782.

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

It is not a de Polignac number, because 28768411 - 2⁵ = 28768379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28768111) 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, 6840 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (4127068).

Almost surely, 2^28768411 is an apocalyptic number.

28768411 is a deficient number, since it is larger than the sum of its proper divisors (4248133).

28768411 is a wasteful number, since it uses less digits than its factorization.

28768411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17301.

The product of its digits is 21504, while the sum is 37.

The square root of 28768411 is about 5363.6192072145. The cubic root of 28768411 is about 306.4116627517.

The spelling of 28768411 in words is "twenty-eight million, seven hundred sixty-eight thousand, four hundred eleven".