6419140 has 48 divisors (see below), whose sum is σ = 16595712. Its totient is φ = 2030976.

The previous prime is 6419129. The next prime is 6419173. The reversal of 6419140 is 419146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (345744).

Almost surely, 2^6419140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6419140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8297856).

6419140 is an abundant number, since it is smaller than the sum of its proper divisors (10176572).

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

6419140 is a wasteful number, since it uses less digits than its factorization.

6419140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 6419140 is about 2533.6021787171. The cubic root of 6419140 is about 185.8484525002.

The spelling of 6419140 in words is "six million, four hundred nineteen thousand, one hundred forty".