6345678 has 8 divisors (see below), whose sum is σ = 12691368. Its totient is φ = 2115224.

The previous prime is 6345673. The next prime is 6345683. The reversal of 6345678 is 8765436.

It is an interprime number because it is at equal distance from previous prime (6345673) and next prime (6345683).

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

6345678 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345673) 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, 528801 + ... + 528812.

It is an arithmetic number, because the mean of its divisors is an integer number (1586421).

Almost surely, 2^6345678 is an apocalyptic number.

6345678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6345678 is a wasteful number, since it uses less digits than its factorization.

6345678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057618.

The product of its digits is 120960, while the sum is 39.

The square root of 6345678 is about 2519.0629210085. The cubic root of 6345678 is about 185.1367676256.

The spelling of 6345678 in words is "six million, three hundred forty-five thousand, six hundred seventy-eight".