985357447 has 8 divisors (see below), whose sum is σ = 1024622640. Its totient is φ = 946444800.

The previous prime is 985357433. The next prime is 985357453. The reversal of 985357447 is 744753589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985357447 - 2⁷ = 985357319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985357394 and 985357403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985357487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82429 + ... + 93622.

It is an arithmetic number, because the mean of its divisors is an integer number (128077830).

Almost surely, 2^985357447 is an apocalyptic number.

985357447 is a deficient number, since it is larger than the sum of its proper divisors (39265193).

985357447 is a wasteful number, since it uses less digits than its factorization.

985357447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176273.

The product of its digits is 4233600, while the sum is 52.

The square root of 985357447 is about 31390.4037406339. The cubic root of 985357447 is about 995.0951305894.

The spelling of 985357447 in words is "nine hundred eighty-five million, three hundred fifty-seven thousand, four hundred forty-seven".