6398967 has 4 divisors (see below), whose sum is σ = 8531960. Its totient is φ = 4265976.

The previous prime is 6398941. The next prime is 6398981. The reversal of 6398967 is 7698936.

It is a happy number.

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

It is not a de Polignac number, because 6398967 - 2¹⁴ = 6382583 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398167) 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, 1066492 + ... + 1066497.

It is an arithmetic number, because the mean of its divisors is an integer number (2132990).

Almost surely, 2^6398967 is an apocalyptic number.

6398967 is a deficient number, since it is larger than the sum of its proper divisors (2132993).

6398967 is a wasteful number, since it uses less digits than its factorization.

6398967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132992.

The product of its digits is 489888, while the sum is 48.

The square root of 6398967 is about 2529.6179553442. The cubic root of 6398967 is about 185.6535637211.

The spelling of 6398967 in words is "six million, three hundred ninety-eight thousand, nine hundred sixty-seven".