6401627 has 4 divisors (see below), whose sum is σ = 6430056.
Its totient is φ = 6373200.
The previous prime is 6401621. The next prime is 6401669. The reversal of 6401627 is 7261046.
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 6401627 - 216 = 6336091 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6401596 and 6401605.
It is not an unprimeable number, because it can be changed into a prime (6401621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13874 + ... + 14327.
It is an arithmetic number, because the mean of its divisors is an integer number (1607514).
Almost surely, 26401627 is an apocalyptic number.
6401627 is a deficient number, since it is larger than the sum of its proper divisors (28429).
6401627 is a wasteful number, since it uses less digits than its factorization.
6401627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28428.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 6401627 is about 2530.1436718100.
The cubic root of 6401627 is about 185.6792850636.
The spelling of 6401627 in words is "six million, four hundred one thousand, six hundred twenty-seven".