84255249 has 8 divisors (see below), whose sum is σ = 120981952. Its totient is φ = 51849360.

The previous prime is 84255191. The next prime is 84255251. The reversal of 84255249 is 94255248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84255249 - 2¹⁶ = 84189713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2160391 = 84255249 / (8 + 4 + 2 + 5 + 5 + 2 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (84255289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080157 + ... + 1080234.

It is an arithmetic number, because the mean of its divisors is an integer number (15122744).

Almost surely, 2^84255249 is an apocalyptic number.

It is an amenable number.

84255249 is a deficient number, since it is larger than the sum of its proper divisors (36726703).

84255249 is a wasteful number, since it uses less digits than its factorization.

84255249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160407.

The product of its digits is 115200, while the sum is 39.

The square root of 84255249 is about 9179.0658021391. The cubic root of 84255249 is about 438.3950637936.

Subtracting 84255249 from its reverse (94255248), we obtain a palindrome (9999999).

The spelling of 84255249 in words is "eighty-four million, two hundred fifty-five thousand, two hundred forty-nine".