8249916 has 48 divisors (see below), whose sum is σ = 20418048. Its totient is φ = 2587200.

The previous prime is 8249909. The next prime is 8249921. The reversal of 8249916 is 6199428.

It is a super-2 number, since 2×8249916² = 136122228014112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19386 + ... + 19806.

It is an arithmetic number, because the mean of its divisors is an integer number (425376).

Almost surely, 2^8249916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8249916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10209024).

8249916 is an abundant number, since it is smaller than the sum of its proper divisors (12168132).

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

8249916 is a wasteful number, since it uses less digits than its factorization.

8249916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 8249916 is about 2872.2667007087. The cubic root of 8249916 is about 202.0613152426.

The spelling of 8249916 in words is "eight million, two hundred forty-nine thousand, nine hundred sixteen".