985247388 has 36 divisors (see below), whose sum is σ = 2582729240. Its totient is φ = 328415472.

The previous prime is 985247383. The next prime is 985247407. The reversal of 985247388 is 883742589.

It is a happy number.

985247388 is a `hidden beast` number, since 98 + 5 + 2 + 473 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985247381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505843 + ... + 507786.

Almost surely, 2^985247388 is an apocalyptic number.

It is an amenable number.

985247388 is an abundant number, since it is smaller than the sum of its proper divisors (1597481852).

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

985247388 is a wasteful number, since it uses less digits than its factorization.

985247388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013648 (or 1013634 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 985247388 is about 31388.6506240711. The cubic root of 985247388 is about 995.0580803281.

The spelling of 985247388 in words is "nine hundred eighty-five million, two hundred forty-seven thousand, three hundred eighty-eight".