28492361 has 2 divisors, whose sum is σ = 28492362. Its totient is φ = 28492360.

The previous prime is 28492333. The next prime is 28492367. The reversal of 28492361 is 16329482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27237961 + 1254400 = 5219^2 + 1120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28492361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28492367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14246180 + 14246181.

It is an arithmetic number, because the mean of its divisors is an integer number (14246181).

Almost surely, 2^28492361 is an apocalyptic number.

It is an amenable number.

28492361 is a deficient number, since it is larger than the sum of its proper divisors (1).

28492361 is an equidigital number, since it uses as much as digits as its factorization.

28492361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 28492361 is about 5337.8236201658. The cubic root of 28492361 is about 305.4284438240.

The spelling of 28492361 in words is "twenty-eight million, four hundred ninety-two thousand, three hundred sixty-one".