84499892 has 6 divisors (see below), whose sum is σ = 147874818. Its totient is φ = 42249944.

The previous prime is 84499873. The next prime is 84499927. The reversal of 84499892 is 29899448.

It can be written as a sum of positive squares in only one way, i.e., 60155536 + 24344356 = 7756^2 + 4934^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10562483 + ... + 10562490.

It is an arithmetic number, because the mean of its divisors is an integer number (24645803).

Almost surely, 2^84499892 is an apocalyptic number.

It is an amenable number.

84499892 is a deficient number, since it is larger than the sum of its proper divisors (63374926).

84499892 is a wasteful number, since it uses less digits than its factorization.

84499892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21124977 (or 21124975 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 84499892 is about 9192.3822809977. The cubic root of 84499892 is about 438.8189608138.

The spelling of 84499892 in words is "eighty-four million, four hundred ninety-nine thousand, eight hundred ninety-two".