6415967 has 4 divisors (see below), whose sum is σ = 6572496. Its totient is φ = 6259440.

The previous prime is 6415961. The next prime is 6415979. The reversal of 6415967 is 7695146.

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 6415967 - 2⁴ = 6415951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6415967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415961) 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, 78203 + ... + 78284.

It is an arithmetic number, because the mean of its divisors is an integer number (1643124).

Almost surely, 2^6415967 is an apocalyptic number.

6415967 is a deficient number, since it is larger than the sum of its proper divisors (156529).

6415967 is a wasteful number, since it uses less digits than its factorization.

6415967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156528.

The product of its digits is 45360, while the sum is 38.

The square root of 6415967 is about 2532.9759177695. The cubic root of 6415967 is about 185.8178256390.

The spelling of 6415967 in words is "six million, four hundred fifteen thousand, nine hundred sixty-seven".