28923241 has 2 divisors, whose sum is σ = 28923242. Its totient is φ = 28923240.

The previous prime is 28923227. The next prime is 28923281. The reversal of 28923241 is 14232982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 992016 = 5285^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 28923241 - 2⁷ = 28923113 is a prime.

It is not a weakly prime, because it can be changed into another prime (28923221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14461620 + 14461621.

It is an arithmetic number, because the mean of its divisors is an integer number (14461621).

Almost surely, 2^28923241 is an apocalyptic number.

It is an amenable number.

28923241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28923241 is an equidigital number, since it uses as much as digits as its factorization.

28923241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 28923241 is about 5378.0331906748. The cubic root of 28923241 is about 306.9603764286.

The spelling of 28923241 in words is "twenty-eight million, nine hundred twenty-three thousand, two hundred forty-one".