6419609 has 8 divisors (see below), whose sum is σ = 7358208. Its totient is φ = 5486400.

The previous prime is 6419597. The next prime is 6419627. The reversal of 6419609 is 9069146.

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 6419609 - 2⁴ = 6419593 is a prime.

It is a super-2 number, since 2×6419609² = 82422759425762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6419629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (919776).

Almost surely, 2^6419609 is an apocalyptic number.

It is an amenable number.

6419609 is a deficient number, since it is larger than the sum of its proper divisors (938599).

6419609 is a wasteful number, since it uses less digits than its factorization.

6419609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6419609 is about 2533.6947329937. The cubic root of 6419609 is about 185.8529785895.

The spelling of 6419609 in words is "six million, four hundred nineteen thousand, six hundred nine".