7969816 has 16 divisors (see below), whose sum is σ = 15730200. Its totient is φ = 3775104.

The previous prime is 7969813. The next prime is 7969823. The reversal of 7969816 is 6189697.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7969813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26065 + ... + 26368.

Almost surely, 2^7969816 is an apocalyptic number.

7969816 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7969816 is a deficient number, since it is larger than the sum of its proper divisors (7760384).

7969816 is a wasteful number, since it uses less digits than its factorization.

7969816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52458 (or 52454 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 7969816 is about 2823.0862544386. The cubic root of 7969816 is about 199.7481496568.

The spelling of 7969816 in words is "seven million, nine hundred sixty-nine thousand, eight hundred sixteen".