986985534 has 16 divisors (see below), whose sum is σ = 1993516560. Its totient is φ = 325737600.

The previous prime is 986985521. The next prime is 986985539. The reversal of 986985534 is 435589689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986985539) 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, 813739 + ... + 814950.

It is an arithmetic number, because the mean of its divisors is an integer number (124594785).

Almost surely, 2^986985534 is an apocalyptic number.

986985534 is an abundant number, since it is smaller than the sum of its proper divisors (1006531026).

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

986985534 is a wasteful number, since it uses less digits than its factorization.

986985534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628795.

The product of its digits is 9331200, while the sum is 57.

The square root of 986985534 is about 31416.3259150398. The cubic root of 986985534 is about 995.6428878125.

The spelling of 986985534 in words is "nine hundred eighty-six million, nine hundred eighty-five thousand, five hundred thirty-four".