985487428 has 6 divisors (see below), whose sum is σ = 1724603006. Its totient is φ = 492743712.

The previous prime is 985487423. The next prime is 985487429. The reversal of 985487428 is 824784589.

It is a happy number.

985487428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 968578884 + 16908544 = 31122^2 + 4112^2 .

It is not an unprimeable number, because it can be changed into a prime (985487423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123185925 + ... + 123185932.

Almost surely, 2^985487428 is an apocalyptic number.

It is an amenable number.

985487428 is a deficient number, since it is larger than the sum of its proper divisors (739115578).

985487428 is a wasteful number, since it uses less digits than its factorization.

985487428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246371861 (or 246371859 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 985487428 is about 31392.4740662472. The cubic root of 985487428 is about 995.1388838398.

The spelling of 985487428 in words is "nine hundred eighty-five million, four hundred eighty-seven thousand, four hundred twenty-eight".