985391274 has 24 divisors (see below), whose sum is σ = 2292543648. Its totient is φ = 281540280.

The previous prime is 985391257. The next prime is 985391287. The reversal of 985391274 is 472193589.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675542 + ... + 1676129.

It is an arithmetic number, because the mean of its divisors is an integer number (95522652).

Almost surely, 2^985391274 is an apocalyptic number.

985391274 is an abundant number, since it is smaller than the sum of its proper divisors (1307152374).

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

985391274 is a wasteful number, since it uses less digits than its factorization.

985391274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351690 (or 3351683 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 985391274 is about 31390.9425471743. The cubic root of 985391274 is about 995.1065175563.

The spelling of 985391274 in words is "nine hundred eighty-five million, three hundred ninety-one thousand, two hundred seventy-four".