8018940 has 24 divisors (see below), whose sum is σ = 22453200. Its totient is φ = 2138368.

The previous prime is 8018929. The next prime is 8018947. The reversal of 8018940 is 498108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8018898 and 8018907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018947) 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, 66765 + ... + 66884.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^8018940 is an apocalyptic number.

It is an amenable number.

8018940 is an abundant number, since it is smaller than the sum of its proper divisors (14434260).

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

8018940 is a wasteful number, since it uses less digits than its factorization.

8018940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133661 (or 133659 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8018940 is about 2831.7732960108. The cubic root of 8018940 is about 200.1577089401.

The spelling of 8018940 in words is "eight million, eighteen thousand, nine hundred forty".