985610461 has 6 divisors (see below), whose sum is σ = 1083357086. Its totient is φ = 896009400.

The previous prime is 985610459. The next prime is 985610471. The reversal of 985610461 is 164016589.

It can be written as a sum of positive squares in only one way, i.e., 985583236 + 27225 = 31394^2 + 165^2 .

It is not a de Polignac number, because 985610461 - 2¹ = 985610459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985610441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4072650 + ... + 4072891.

Almost surely, 2^985610461 is an apocalyptic number.

It is an amenable number.

985610461 is a deficient number, since it is larger than the sum of its proper divisors (97746625).

985610461 is a wasteful number, since it uses less digits than its factorization.

985610461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145563 (or 8145552 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 985610461 is about 31394.4335989678. The cubic root of 985610461 is about 995.1802947613.

The spelling of 985610461 in words is "nine hundred eighty-five million, six hundred ten thousand, four hundred sixty-one".