84242393 has 2 divisors, whose sum is σ = 84242394. Its totient is φ = 84242392.

The previous prime is 84242369. The next prime is 84242437. The reversal of 84242393 is 39324248.

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., 75290329 + 8952064 = 8677^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 84242393 - 2⁶ = 84242329 is a prime.

It is not a weakly prime, because it can be changed into another prime (84242693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42121196 + 42121197.

It is an arithmetic number, because the mean of its divisors is an integer number (42121197).

Almost surely, 2^84242393 is an apocalyptic number.

It is an amenable number.

84242393 is a deficient number, since it is larger than the sum of its proper divisors (1).

84242393 is an equidigital number, since it uses as much as digits as its factorization.

84242393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 84242393 is about 9178.3654862944. The cubic root of 84242393 is about 438.3727653070.

The spelling of 84242393 in words is "eighty-four million, two hundred forty-two thousand, three hundred ninety-three".