6422587 has 4 divisors (see below), whose sum is σ = 6434296. Its totient is φ = 6410880.

The previous prime is 6422579. The next prime is 6422599. The reversal of 6422587 is 7852246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6422587 - 2³ = 6422579 is a prime.

It is a Duffinian number.

6422587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6422557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989 + ... + 6142.

It is an arithmetic number, because the mean of its divisors is an integer number (1608574).

Almost surely, 2^6422587 is an apocalyptic number.

6422587 is a deficient number, since it is larger than the sum of its proper divisors (11709).

6422587 is a wasteful number, since it uses less digits than its factorization.

6422587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708.

The product of its digits is 26880, while the sum is 34.

The square root of 6422587 is about 2534.2823441756. The cubic root of 6422587 is about 185.8817126660.

The spelling of 6422587 in words is "six million, four hundred twenty-two thousand, five hundred eighty-seven".