48786984 has 72 divisors (see below), whose sum is σ = 139526010. Its totient is φ = 15398208.

The previous prime is 48786937. The next prime is 48786989. The reversal of 48786984 is 48968784.

48786984 is a `hidden beast` number, since 487 + 86 + 9 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 9474084 = 6270^2 + 3078^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 48786984.

It is not an unprimeable number, because it can be changed into a prime (48786989) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25054 + ... + 26930.

Almost surely, 2^48786984 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 48786984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69763005).

48786984 is an abundant number, since it is smaller than the sum of its proper divisors (90739026).

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

48786984 is a wasteful number, since it uses less digits than its factorization.

48786984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1901 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 48786984 is about 6984.7679990104. The cubic root of 48786984 is about 365.3995349805.

It can be divided in two parts, 48786 and 984, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 48786984 in words is "forty-eight million, seven hundred eighty-six thousand, nine hundred eighty-four".