7166838 has 48 divisors (see below), whose sum is σ = 17565120. Its totient is φ = 1938384.

The previous prime is 7166833. The next prime is 7166839. The reversal of 7166838 is 8386617.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7166796 and 7166805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4945 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (365940).

Almost surely, 2^7166838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7166838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8782560).

7166838 is an abundant number, since it is smaller than the sum of its proper divisors (10398282).

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

7166838 is a wasteful number, since it uses less digits than its factorization.

7166838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1314 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 7166838 is about 2677.0950674192. The cubic root of 7166838 is about 192.8009617268.

The spelling of 7166838 in words is "seven million, one hundred sixty-six thousand, eight hundred thirty-eight".