84424252 has 12 divisors (see below), whose sum is σ = 161173656. Its totient is φ = 38374640.

The previous prime is 84424247. The next prime is 84424279. The reversal of 84424252 is 25242448.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 959323 + ... + 959410.

It is an arithmetic number, because the mean of its divisors is an integer number (13431138).

Almost surely, 2^84424252 is an apocalyptic number.

It is an amenable number.

84424252 is a deficient number, since it is larger than the sum of its proper divisors (76749404).

84424252 is a wasteful number, since it uses less digits than its factorization.

84424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918748 (or 1918746 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 84424252 is about 9188.2670836235. The cubic root of 84424252 is about 438.6879855966.

The spelling of 84424252 in words is "eighty-four million, four hundred twenty-four thousand, two hundred fifty-two".