8194240 has 56 divisors (see below), whose sum is σ = 20208240. Its totient is φ = 3161088.

The previous prime is 8194237. The next prime is 8194243. The reversal of 8194240 is 424918.

It is an interprime number because it is at equal distance from previous prime (8194237) and next prime (8194243).

It is a super-3 number, since 3×8194240³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8194199 and 8194208.

It is not an unprimeable number, because it can be changed into a prime (8194243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8839 + ... + 9721.

Almost surely, 2^8194240 is an apocalyptic number.

8194240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10104120).

8194240 is an abundant number, since it is smaller than the sum of its proper divisors (12014000).

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

8194240 is a wasteful number, since it uses less digits than its factorization.

8194240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8194240 is about 2862.5582963496. The cubic root of 8194240 is about 201.6057401574.

The spelling of 8194240 in words is "eight million, one hundred ninety-four thousand, two hundred forty".