28469141 has 2 divisors, whose sum is σ = 28469142. Its totient is φ = 28469140.

The previous prime is 28469137. The next prime is 28469153. The reversal of 28469141 is 14196482.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15437041 + 13032100 = 3929^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 28469141 - 2² = 28469137 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28469131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14234570 + 14234571.

It is an arithmetic number, because the mean of its divisors is an integer number (14234571).

Almost surely, 2^28469141 is an apocalyptic number.

It is an amenable number.

28469141 is a deficient number, since it is larger than the sum of its proper divisors (1).

28469141 is an equidigital number, since it uses as much as digits as its factorization.

28469141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 28469141 is about 5335.6481330762. The cubic root of 28469141 is about 305.3454511006.

The spelling of 28469141 in words is "twenty-eight million, four hundred sixty-nine thousand, one hundred forty-one".