28106941 has 2 divisors, whose sum is σ = 28106942. Its totient is φ = 28106940.

The previous prime is 28106927. The next prime is 28106957. The reversal of 28106941 is 14960182.

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., 26481316 + 1625625 = 5146^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 28106941 - 2¹⁵ = 28074173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28146941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14053470 + 14053471.

It is an arithmetic number, because the mean of its divisors is an integer number (14053471).

Almost surely, 2^28106941 is an apocalyptic number.

It is an amenable number.

28106941 is a deficient number, since it is larger than the sum of its proper divisors (1).

28106941 is an equidigital number, since it uses as much as digits as its factorization.

28106941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 28106941 is about 5301.5979666512. The cubic root of 28106941 is about 304.0449963693.

The spelling of 28106941 in words is "twenty-eight million, one hundred six thousand, nine hundred forty-one".