985481290 has 8 divisors (see below), whose sum is σ = 1773866340. Its totient is φ = 394192512.

The previous prime is 985481261. The next prime is 985481309. The reversal of 985481290 is 92184589.

It can be written as a sum of positive squares in 2 ways, for example, as 964164601 + 21316689 = 31051^2 + 4617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 985481290.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49274055 + ... + 49274074.

Almost surely, 2^985481290 is an apocalyptic number.

985481290 is a deficient number, since it is larger than the sum of its proper divisors (788385050).

985481290 is a wasteful number, since it uses less digits than its factorization.

985481290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98548136.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 985481290 is about 31392.3763038098. The cubic root of 985481290 is about 995.1368177978.

The spelling of 985481290 in words is "nine hundred eighty-five million, four hundred eighty-one thousand, two hundred ninety".