985434272 has 12 divisors (see below), whose sum is σ = 1940073786. Its totient is φ = 492717120.

The previous prime is 985434251. The next prime is 985434277. The reversal of 985434272 is 272434589.

It can be written as a sum of positive squares in only one way, i.e., 602997136 + 382437136 = 24556^2 + 19556^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (985434277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15397379 + ... + 15397442.

Almost surely, 2^985434272 is an apocalyptic number.

It is an amenable number.

985434272 is a deficient number, since it is larger than the sum of its proper divisors (954639514).

985434272 is a wasteful number, since it uses less digits than its factorization.

985434272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30794831 (or 30794823 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 985434272 is about 31391.6274187880. The cubic root of 985434272 is about 995.1209913221.

The spelling of 985434272 in words is "nine hundred eighty-five million, four hundred thirty-four thousand, two hundred seventy-two".