84255436 has 6 divisors (see below), whose sum is σ = 147447020. Its totient is φ = 42127716.

The previous prime is 84255419. The next prime is 84255439. The reversal of 84255436 is 63455248.

It is a junction number, because it is equal to n+sod(n) for n = 84255395 and 84255404.

It is not an unprimeable number, because it can be changed into a prime (84255439) 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, 10531926 + ... + 10531933.

Almost surely, 2^84255436 is an apocalyptic number.

It is an amenable number.

84255436 is a deficient number, since it is larger than the sum of its proper divisors (63191584).

84255436 is a wasteful number, since it uses less digits than its factorization.

84255436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063863 (or 21063861 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 84255436 is about 9179.0759883553. The cubic root of 84255436 is about 438.3953881248.

It can be divided in two parts, 8425 and 5436, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 84255436 in words is "eighty-four million, two hundred fifty-five thousand, four hundred thirty-six".