981965272 has 16 divisors (see below), whose sum is σ = 1841916240. Its totient is φ = 490787616.

The previous prime is 981965263. The next prime is 981965321. The reversal of 981965272 is 272569189.

It is a congruent number.

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, 1743 + ... + 44350.

It is an arithmetic number, because the mean of its divisors is an integer number (115119765).

Almost surely, 2^981965272 is an apocalyptic number.

It is an amenable number.

981965272 is a deficient number, since it is larger than the sum of its proper divisors (859950968).

981965272 is a wasteful number, since it uses less digits than its factorization.

981965272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48762 (or 48758 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 981965272 is about 31336.3251195797. The cubic root of 981965272 is about 993.9519184545.

The spelling of 981965272 in words is "nine hundred eighty-one million, nine hundred sixty-five thousand, two hundred seventy-two".