6422691 has 32 divisors (see below), whose sum is σ = 9870336. Its totient is φ = 3680000.

The previous prime is 6422677. The next prime is 6422701. The reversal of 6422691 is 1962246.

It is a cyclic number.

It is not a de Polignac number, because 6422691 - 2¹⁴ = 6406307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6422641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63541 + ... + 63641.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

Almost surely, 2^6422691 is an apocalyptic number.

6422691 is a deficient number, since it is larger than the sum of its proper divisors (3447645).

6422691 is a wasteful number, since it uses less digits than its factorization.

6422691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its digits is 5184, while the sum is 30.

The square root of 6422691 is about 2534.3028627218. The cubic root of 6422691 is about 185.8827159789.

It can be divided in two parts, 642 and 2691, that added together give a palindrome (3333).

The spelling of 6422691 in words is "six million, four hundred twenty-two thousand, six hundred ninety-one".