8194940 has 48 divisors (see below), whose sum is σ = 18990048. Its totient is φ = 2951424.

The previous prime is 8194939. The next prime is 8194951. The reversal of 8194940 is 494918.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8194940.

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, 10814 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (395626).

Almost surely, 2^8194940 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 8194940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9495024).

8194940 is an abundant number, since it is smaller than the sum of its proper divisors (10795108).

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

8194940 is a wasteful number, since it uses less digits than its factorization.

8194940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 8194940 is about 2862.6805619908. The cubic root of 8194940 is about 201.6114807752.

The spelling of 8194940 in words is "eight million, one hundred ninety-four thousand, nine hundred forty".