987445472 has 24 divisors (see below), whose sum is σ = 2093575176. Its totient is φ = 455743872.

The previous prime is 987445457. The next prime is 987445519. The reversal of 987445472 is 274544789.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 987445472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186418 + ... + 1187249.

It is an arithmetic number, because the mean of its divisors is an integer number (87232299).

Almost surely, 2^987445472 is an apocalyptic number.

It is an amenable number.

987445472 is an abundant number, since it is smaller than the sum of its proper divisors (1106129704).

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

987445472 is a wasteful number, since it uses less digits than its factorization.

987445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373690 (or 2373682 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The square root of 987445472 is about 31423.6451100123. The cubic root of 987445472 is about 995.7975212454.

The spelling of 987445472 in words is "nine hundred eighty-seven million, four hundred forty-five thousand, four hundred seventy-two".