1485717984 has 96 divisors (see below), whose sum is σ = 4439141280. Its totient is φ = 483148800.

The previous prime is 1485717971. The next prime is 1485718019. The reversal of 1485717984 is 4897175841.

1485717984 is a `hidden beast` number, since 1 + 485 + 71 + 7 + 98 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1485717984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14454 + ... + 56394.

It is an arithmetic number, because the mean of its divisors is an integer number (46241055).

Almost surely, 2^1485717984 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 1485717984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219570640).

1485717984 is an abundant number, since it is smaller than the sum of its proper divisors (2953423296).

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

1485717984 is a wasteful number, since it uses less digits than its factorization.

1485717984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42001 (or 41987 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 1485717984 is about 38545.0124400032. The cubic root of 1485717984 is about 1141.0695778976.

The spelling of 1485717984 in words is "one billion, four hundred eighty-five million, seven hundred seventeen thousand, nine hundred eighty-four".