5981916 has 12 divisors (see below), whose sum is σ = 13957832. Its totient is φ = 1993968.

The previous prime is 5981891. The next prime is 5981939. The reversal of 5981916 is 6191895.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249235 + ... + 249258.

Almost surely, 2^5981916 is an apocalyptic number.

It is an amenable number.

5981916 is an abundant number, since it is smaller than the sum of its proper divisors (7975916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5981916 is a wasteful number, since it uses less digits than its factorization.

5981916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498500 (or 498498 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 5981916 is about 2445.7955760856. The cubic root of 5981916 is about 181.5293155146.

The spelling of 5981916 in words is "five million, nine hundred eighty-one thousand, nine hundred sixteen".