986149872 has 180 divisors, whose sum is σ = 3032752320. Its totient is φ = 298088448.

The previous prime is 986149867. The next prime is 986149891. The reversal of 986149872 is 278941689.

986149872 is a `hidden beast` number, since 9 + 86 + 1 + 498 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2058529 + ... + 2059007.

It is an arithmetic number, because the mean of its divisors is an integer number (16848624).

Almost surely, 2^986149872 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 986149872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516376160).

986149872 is an abundant number, since it is smaller than the sum of its proper divisors (2046602448).

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

986149872 is a wasteful number, since it uses less digits than its factorization.

986149872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 530 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 986149872 is about 31403.0232939442. The cubic root of 986149872 is about 995.3618111308.

The spelling of 986149872 in words is "nine hundred eighty-six million, one hundred forty-nine thousand, eight hundred seventy-two".