8291916 has 24 divisors (see below), whose sum is σ = 21497840. Its totient is φ = 2763936.

The previous prime is 8291909. The next prime is 8291929. The reversal of 8291916 is 6191928.

8291916 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38281 + ... + 38496.

Almost surely, 2^8291916 is an apocalyptic number.

It is an amenable number.

8291916 is an abundant number, since it is smaller than the sum of its proper divisors (13205924).

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

8291916 is a wasteful number, since it uses less digits than its factorization.

8291916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76790 (or 76782 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 8291916 is about 2879.5687177076. The cubic root of 8291916 is about 202.4036304139.

The spelling of 8291916 in words is "eight million, two hundred ninety-one thousand, nine hundred sixteen".