28484941 has 2 divisors, whose sum is σ = 28484942. Its totient is φ = 28484940.

The previous prime is 28484921. The next prime is 28484977. The reversal of 28484941 is 14948482.

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., 20385225 + 8099716 = 4515^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 28484941 - 2⁵ = 28484909 is a prime.

It is a super-2 number, since 2×28484941² = 1622783727546962, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28484894 and 28484903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28484921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14242470 + 14242471.

It is an arithmetic number, because the mean of its divisors is an integer number (14242471).

Almost surely, 2^28484941 is an apocalyptic number.

It is an amenable number.

28484941 is a deficient number, since it is larger than the sum of its proper divisors (1).

28484941 is an equidigital number, since it uses as much as digits as its factorization.

28484941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 28484941 is about 5337.1285350833. The cubic root of 28484941 is about 305.4019282279.

The spelling of 28484941 in words is "twenty-eight million, four hundred eighty-four thousand, nine hundred forty-one".