6414140 has 24 divisors (see below), whose sum is σ = 13662432. Its totient is φ = 2528960.

The previous prime is 6414131. The next prime is 6414143. The reversal of 6414140 is 414146.

It is a happy number.

It is a super-2 number, since 2×6414140² = 82282383879200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6414143) 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, 839 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (569268).

Almost surely, 2^6414140 is an apocalyptic number.

It is an amenable number.

6414140 is an abundant number, since it is smaller than the sum of its proper divisors (7248292).

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

6414140 is a wasteful number, since it uses less digits than its factorization.

6414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 6414140 is about 2532.6152491052. The cubic root of 6414140 is about 185.8001862405.

Adding to 6414140 its reverse (414146), we get a palindrome (6828286).

The spelling of 6414140 in words is "six million, four hundred fourteen thousand, one hundred forty".