981272416 has 24 divisors (see below), whose sum is σ = 1934067240. Its totient is φ = 490080768.

The previous prime is 981272407. The next prime is 981272417. The reversal of 981272416 is 614272189.

981272416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981272417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12120 + ... + 45928.

It is an arithmetic number, because the mean of its divisors is an integer number (80586135).

Almost surely, 2^981272416 is an apocalyptic number.

It is an amenable number.

981272416 is a deficient number, since it is larger than the sum of its proper divisors (952794824).

981272416 is a wasteful number, since it uses less digits than its factorization.

981272416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34726 (or 34718 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 981272416 is about 31325.2680116228. The cubic root of 981272416 is about 993.7180922682.

It can be divided in two parts, 9812 and 72416, that added together give a palindrome (82228).

The spelling of 981272416 in words is "nine hundred eighty-one million, two hundred seventy-two thousand, four hundred sixteen".