84465252 has 36 divisors (see below), whose sum is σ = 217542780. Its totient is φ = 27623232.

The previous prime is 84465247. The next prime is 84465259. The reversal of 84465252 is 25256448.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75064896 + 9400356 = 8664^2 + 3066^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84465259) 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 in 11 ways as a sum of consecutive naturals, for example, 20227 + ... + 24042.

It is an arithmetic number, because the mean of its divisors is an integer number (6042855).

Almost surely, 2^84465252 is an apocalyptic number.

It is an amenable number.

84465252 is an abundant number, since it is smaller than the sum of its proper divisors (133077528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84465252 is a wasteful number, since it uses less digits than its factorization.

84465252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44332 (or 44327 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 84465252 is about 9190.4979190466. The cubic root of 84465252 is about 438.7589892721.

The spelling of 84465252 in words is "eighty-four million, four hundred sixty-five thousand, two hundred fifty-two".