84459460 has 12 divisors (see below), whose sum is σ = 177364908. Its totient is φ = 33783776.

The previous prime is 84459449. The next prime is 84459491. The reversal of 84459460 is 6495448.

It can be written as a sum of positive squares in 2 ways, for example, as 55234624 + 29224836 = 7432^2 + 5406^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 2111467 + ... + 2111506.

It is an arithmetic number, because the mean of its divisors is an integer number (14780409).

Almost surely, 2^84459460 is an apocalyptic number.

It is an amenable number.

84459460 is an abundant number, since it is smaller than the sum of its proper divisors (92905448).

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

84459460 is a wasteful number, since it uses less digits than its factorization.

84459460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222982 (or 4222980 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 84459460 is about 9190.1828055812. The cubic root of 84459460 is about 438.7489600980.

The spelling of 84459460 in words is "eighty-four million, four hundred fifty-nine thousand, four hundred sixty".