6940530 has 48 divisors (see below), whose sum is σ = 18330624. Its totient is φ = 1821600.

The previous prime is 6940513. The next prime is 6940561. The reversal of 6940530 is 350496.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6940494 and 6940503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5455 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (381888).

Almost surely, 2^6940530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6940530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9165312).

6940530 is an abundant number, since it is smaller than the sum of its proper divisors (11390094).

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

6940530 is a wasteful number, since it uses less digits than its factorization.

6940530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6940530 is about 2634.4885651678. The cubic root of 6940530 is about 190.7498529922.

The spelling of 6940530 in words is "six million, nine hundred forty thousand, five hundred thirty".