84669252 has 12 divisors (see below), whose sum is σ = 197561616. Its totient is φ = 28223080.

The previous prime is 84669217. The next prime is 84669257. The reversal of 84669252 is 25296648.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (84669257) 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 in 3 ways as a sum of consecutive naturals, for example, 3527874 + ... + 3527897.

It is an arithmetic number, because the mean of its divisors is an integer number (16463468).

Almost surely, 2^84669252 is an apocalyptic number.

It is an amenable number.

84669252 is an abundant number, since it is smaller than the sum of its proper divisors (112892364).

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

84669252 is a wasteful number, since it uses less digits than its factorization.

84669252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055778 (or 7055776 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 84669252 is about 9201.5896452733. The cubic root of 84669252 is about 439.1119346921. Note that the first 3 decimals are identical.

The spelling of 84669252 in words is "eighty-four million, six hundred sixty-nine thousand, two hundred fifty-two".