981227516 has 12 divisors (see below), whose sum is σ = 1717773288. Its totient is φ = 490435152.

The previous prime is 981227509. The next prime is 981227521. The reversal of 981227516 is 615722189.

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, 31886 + ... + 54581.

It is an arithmetic number, because the mean of its divisors is an integer number (143147774).

Almost surely, 2^981227516 is an apocalyptic number.

It is an amenable number.

981227516 is a deficient number, since it is larger than the sum of its proper divisors (736545772).

981227516 is a wasteful number, since it uses less digits than its factorization.

981227516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89308 (or 89306 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 981227516 is about 31324.5513295881. The cubic root of 981227516 is about 993.7029355451.

The spelling of 981227516 in words is "nine hundred eighty-one million, two hundred twenty-seven thousand, five hundred sixteen".