6421468 has 18 divisors (see below), whose sum is σ = 11862816. Its totient is φ = 3041064.

The previous prime is 6421421. The next prime is 6421477. The reversal of 6421468 is 8641246.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780 + ... + 3667.

Almost surely, 2^6421468 is an apocalyptic number.

It is an amenable number.

6421468 is a deficient number, since it is larger than the sum of its proper divisors (5441348).

6421468 is a wasteful number, since it uses less digits than its factorization.

6421468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489 (or 4468 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 6421468 is about 2534.0615619988. The cubic root of 6421468 is about 185.8709167195.

It can be divided in two parts, 6421 and 468, that added together give a square (6889 = 83²).

The spelling of 6421468 in words is "six million, four hundred twenty-one thousand, four hundred sixty-eight".