84135372 has 24 divisors (see below), whose sum is σ = 196852656. Its totient is φ = 27968448.

The previous prime is 84135371. The next prime is 84135377. The reversal of 84135372 is 27353148.

It is not an unprimeable number, because it can be changed into a prime (84135371) 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 7 ways as a sum of consecutive naturals, for example, 4923 + ... + 13874.

It is an arithmetic number, because the mean of its divisors is an integer number (8202194).

Almost surely, 2^84135372 is an apocalyptic number.

It is an amenable number.

84135372 is an abundant number, since it is smaller than the sum of its proper divisors (112717284).

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

84135372 is a wasteful number, since it uses less digits than its factorization.

84135372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19177 (or 19175 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 84135372 is about 9172.5335649427. The cubic root of 84135372 is about 438.1870513177.

The spelling of 84135372 in words is "eighty-four million, one hundred thirty-five thousand, three hundred seventy-two".