84299249 has 2 divisors, whose sum is σ = 84299250. Its totient is φ = 84299248.

The previous prime is 84299233. The next prime is 84299269. The reversal of 84299249 is 94299248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63760225 + 20539024 = 7985^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 84299249 - 2⁴ = 84299233 is a prime.

It is not a weakly prime, because it can be changed into another prime (84299269) 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, 42149624 + 42149625.

It is an arithmetic number, because the mean of its divisors is an integer number (42149625).

Almost surely, 2^84299249 is an apocalyptic number.

It is an amenable number.

84299249 is a deficient number, since it is larger than the sum of its proper divisors (1).

84299249 is an equidigital number, since it uses as much as digits as its factorization.

84299249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 84299249 is about 9181.4622473765. The cubic root of 84299249 is about 438.4713637916.

Subtracting 84299249 from its reverse (94299248), we obtain a palindrome (9999999).

It can be divided in two parts, 84299 and 249, that added together give a palindrome (84548).

The spelling of 84299249 in words is "eighty-four million, two hundred ninety-nine thousand, two hundred forty-nine".