653842084 has 36 divisors (see below), whose sum is σ = 1344254940. Its totient is φ = 277435200.

The previous prime is 653842073. The next prime is 653842097. The reversal of 653842084 is 480248356.

It can be written as a sum of positive squares in 2 ways, for example, as 269682084 + 384160000 = 16422^2 + 19600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3282 + ... + 36310.

It is an arithmetic number, because the mean of its divisors is an integer number (37340415).

Almost surely, 2^653842084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653842084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672127470).

653842084 is an abundant number, since it is smaller than the sum of its proper divisors (690412856).

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

653842084 is a wasteful number, since it uses less digits than its factorization.

653842084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33148 (or 33139 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 653842084 is about 25570.3360165642. The cubic root of 653842084 is about 867.9425039959.

The spelling of 653842084 in words is "six hundred fifty-three million, eight hundred forty-two thousand, eighty-four".