8193040 has 40 divisors (see below), whose sum is σ = 19463040. Its totient is φ = 3206016.

The previous prime is 8193023. The next prime is 8193041. The reversal of 8193040 is 403918.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 8192996 and 8193014.

It is not an unprimeable number, because it can be changed into a prime (8193041) 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, 2671 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (486576).

Almost surely, 2^8193040 is an apocalyptic number.

8193040 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 8193040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9731520).

8193040 is an abundant number, since it is smaller than the sum of its proper divisors (11270000).

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

8193040 is a wasteful number, since it uses less digits than its factorization.

8193040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8193040 is about 2862.3486859570. The cubic root of 8193040 is about 201.5958983376.

Adding to 8193040 its reverse (403918), we get a palindrome (8596958).

The spelling of 8193040 in words is "eight million, one hundred ninety-three thousand, forty".