52984386 has 72 divisors (see below), whose sum is σ = 143845884. Its totient is φ = 13970880.

The previous prime is 52984357. The next prime is 52984403. The reversal of 52984386 is 68348925.

52984386 is a `hidden beast` number, since 529 + 8 + 43 + 86 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 3493161 = 7035^2 + 1869^2 .

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 35 ways as a sum of consecutive naturals, for example, 9156 + ... + 13776.

Almost surely, 2^52984386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52984386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71922942).

52984386 is an abundant number, since it is smaller than the sum of its proper divisors (90861498).

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

52984386 is a wasteful number, since it uses less digits than its factorization.

52984386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656 (or 4646 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 52984386 is about 7279.0374363648. The cubic root of 52984386 is about 375.5916846005.

The spelling of 52984386 in words is "fifty-two million, nine hundred eighty-four thousand, three hundred eighty-six".