6213140 has 24 divisors (see below), whose sum is σ = 13367592. Its totient is φ = 2424320.

The previous prime is 6213127. The next prime is 6213149. The reversal of 6213140 is 413126.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 5626384 = 766^2 + 2372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6213149) 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, 2969 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (556983).

Almost surely, 2^6213140 is an apocalyptic number.

It is an amenable number.

6213140 is an abundant number, since it is smaller than the sum of its proper divisors (7154452).

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

6213140 is a wasteful number, since it uses less digits than its factorization.

6213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627 (or 7625 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6213140 is about 2492.6170985532. The cubic root of 6213140 is about 183.8387449830.

Adding to 6213140 its reverse (413126), we get a palindrome (6626266).

The spelling of 6213140 in words is "six million, two hundred thirteen thousand, one hundred forty".