981916 has 24 divisors (see below), whose sum is σ = 1933344. Its totient is φ = 432960.

The previous prime is 981913. The next prime is 981919. The reversal of 981916 is 619189.

It is an interprime number because it is at equal distance from previous prime (981913) and next prime (981919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (80556).

2⁹⁸¹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

981916 is a deficient number, since it is larger than the sum of its proper divisors (951428).

981916 is a wasteful number, since it uses less digits than its factorization.

981916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 859 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 981916 is about 990.9167472598. The cubic root of 981916 is about 99.3935293692.

The spelling of 981916 in words is "nine hundred eighty-one thousand, nine hundred sixteen".