8018493 has 32 divisors (see below), whose sum is σ = 12794880. Its totient is φ = 4371840.

The previous prime is 8018477. The next prime is 8018497. The reversal of 8018493 is 3948108.

It is not a de Polignac number, because 8018493 - 2⁴ = 8018477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57618 + ... + 57756.

It is an arithmetic number, because the mean of its divisors is an integer number (399840).

Almost surely, 2^8018493 is an apocalyptic number.

It is an amenable number.

8018493 is a deficient number, since it is larger than the sum of its proper divisors (4776387).

8018493 is a wasteful number, since it uses less digits than its factorization.

8018493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8018493 is about 2831.6943691013. The cubic root of 8018493 is about 200.1539897387.

The spelling of 8018493 in words is "eight million, eighteen thousand, four hundred ninety-three".