28741101 has 8 divisors (see below), whose sum is σ = 40575744. Its totient is φ = 18033600.

The previous prime is 28741087. The next prime is 28741109. The reversal of 28741101 is 10114782.

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

It is not a de Polignac number, because 28741101 - 2¹⁹ = 28216813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741109) 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, 281725 + ... + 281826.

It is an arithmetic number, because the mean of its divisors is an integer number (5071968).

Almost surely, 2^28741101 is an apocalyptic number.

It is an amenable number.

28741101 is a deficient number, since it is larger than the sum of its proper divisors (11834643).

28741101 is a wasteful number, since it uses less digits than its factorization.

28741101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563571.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 28741101 is about 5361.0727471281. The cubic root of 28741101 is about 306.3146726669.

Adding to 28741101 its reverse (10114782), we get a palindrome (38855883).

The spelling of 28741101 in words is "twenty-eight million, seven hundred forty-one thousand, one hundred one".