6414540 has 48 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 1554880.

The previous prime is 6414511. The next prime is 6414547. The reversal of 6414540 is 454146.

It is a super-2 number, since 2×6414540² = 82292646823200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6414540.

It is not an unprimeable number, because it can be changed into a prime (6414547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200 + ... + 5519.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^6414540 is an apocalyptic number.

6414540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6414540 is an abundant number, since it is smaller than the sum of its proper divisors (13180980).

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

6414540 is a wasteful number, since it uses less digits than its factorization.

6414540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742 (or 9740 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 6414540 is about 2532.6942176268. The cubic root of 6414540 is about 185.8040484641.

Adding to 6414540 its reverse (454146), we get a palindrome (6868686).

The spelling of 6414540 in words is "six million, four hundred fourteen thousand, five hundred forty".