6416427 has 8 divisors (see below), whose sum is σ = 8700480. Its totient is φ = 4205000.

The previous prime is 6416419. The next prime is 6416437. The reversal of 6416427 is 7246146.

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

It is a cyclic number.

It is not a de Polignac number, because 6416427 - 2³ = 6416419 is a prime.

6416427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6416394 and 6416403.

It is not an unprimeable number, because it can be changed into a prime (6416437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17949 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (1087560).

Almost surely, 2^6416427 is an apocalyptic number.

6416427 is a deficient number, since it is larger than the sum of its proper divisors (2284053).

6416427 is a wasteful number, since it uses less digits than its factorization.

6416427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36313.

The product of its digits is 8064, while the sum is 30.

The square root of 6416427 is about 2533.0667184265. The cubic root of 6416427 is about 185.8222663392.

The spelling of 6416427 in words is "six million, four hundred sixteen thousand, four hundred twenty-seven".