986447280 has 480 divisors, whose sum is σ = 3971745792. Its totient is φ = 197130240.

The previous prime is 986447261. The next prime is 986447303. The reversal of 986447280 is 82744689.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20988217 + ... + 20988263.

Almost surely, 2^986447280 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 986447280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985872896).

986447280 is an abundant number, since it is smaller than the sum of its proper divisors (2985298512).

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

986447280 is a wasteful number, since it uses less digits than its factorization.

986447280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 986447280 is about 31407.7582772155. The cubic root of 986447280 is about 995.4618631343.

The spelling of 986447280 in words is "nine hundred eighty-six million, four hundred forty-seven thousand, two hundred eighty".