985281774 has 32 divisors (see below), whose sum is σ = 2100003840. Its totient is φ = 307461792.

The previous prime is 985281743. The next prime is 985281779. The reversal of 985281774 is 477182589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985281779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69469 + ... + 82440.

It is an arithmetic number, because the mean of its divisors is an integer number (65625120).

Almost surely, 2^985281774 is an apocalyptic number.

985281774 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

985281774 is an abundant number, since it is smaller than the sum of its proper divisors (1114722066).

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

985281774 is a wasteful number, since it uses less digits than its factorization.

985281774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151984.

The product of its digits is 1128960, while the sum is 51.

The square root of 985281774 is about 31389.1983650427. The cubic root of 985281774 is about 995.0696563273.

The spelling of 985281774 in words is "nine hundred eighty-five million, two hundred eighty-one thousand, seven hundred seventy-four".