84505892 has 12 divisors (see below), whose sum is σ = 149350236. Its totient is φ = 41834400.

The previous prime is 84505867. The next prime is 84505919. The reversal of 84505892 is 29850548.

It can be written as a sum of positive squares in 2 ways, for example, as 82882816 + 1623076 = 9104^2 + 1274^2 .

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, 104183 + ... + 104990.

It is an arithmetic number, because the mean of its divisors is an integer number (12445853).

Almost surely, 2^84505892 is an apocalyptic number.

It is an amenable number.

84505892 is a deficient number, since it is larger than the sum of its proper divisors (64844344).

84505892 is a wasteful number, since it uses less digits than its factorization.

84505892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209278 (or 209276 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 84505892 is about 9192.7086323890. The cubic root of 84505892 is about 438.8293468289.

The spelling of 84505892 in words is "eighty-four million, five hundred five thousand, eight hundred ninety-two".