6421614 has 32 divisors (see below), whose sum is σ = 13719456. Its totient is φ = 1996800.

The previous prime is 6421589. The next prime is 6421637. The reversal of 6421614 is 4161246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15814 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (428733).

Almost surely, 2^6421614 is an apocalyptic number.

6421614 is an abundant number, since it is smaller than the sum of its proper divisors (7297842).

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

6421614 is a wasteful number, since it uses less digits than its factorization.

6421614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its digits is 1152, while the sum is 24.

The square root of 6421614 is about 2534.0903693436. The cubic root of 6421614 is about 185.8723253770.

The spelling of 6421614 in words is "six million, four hundred twenty-one thousand, six hundred fourteen".