8493040 has 20 divisors (see below), whose sum is σ = 19746504. Its totient is φ = 3397184.

The previous prime is 8493031. The next prime is 8493073. The reversal of 8493040 is 403948.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 53002 + ... + 53161.

Almost surely, 2^8493040 is an apocalyptic number.

8493040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8493040 is an abundant number, since it is smaller than the sum of its proper divisors (11253464).

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

8493040 is a wasteful number, since it uses less digits than its factorization.

8493040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106176 (or 106170 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8493040 is about 2914.2820728269. The cubic root of 8493040 is about 204.0270372981.

Adding to 8493040 its reverse (403948), we get a palindrome (8896988).

The spelling of 8493040 in words is "eight million, four hundred ninety-three thousand, forty".