6421466 has 8 divisors (see below), whose sum is σ = 9650784. Its totient is φ = 3204540.

The previous prime is 6421421. The next prime is 6421477. The reversal of 6421466 is 6641246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (1206348).

Almost surely, 2^6421466 is an apocalyptic number.

6421466 is a deficient number, since it is larger than the sum of its proper divisors (3229318).

6421466 is a wasteful number, since it uses less digits than its factorization.

6421466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196.

The product of its digits is 6912, while the sum is 29.

The square root of 6421466 is about 2534.0611673754. The cubic root of 6421466 is about 185.8708974226.

The spelling of 6421466 in words is "six million, four hundred twenty-one thousand, four hundred sixty-six".