6840567 has 6 divisors (see below), whose sum is σ = 9880832. Its totient is φ = 4560372.

The previous prime is 6840557. The next prime is 6840577. The reversal of 6840567 is 7650486.

It is a happy number.

6840567 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6840557) and next prime (6840577).

It is not a de Polignac number, because 6840567 - 2⁷ = 6840439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380023 + ... + 380040.

Almost surely, 2^6840567 is an apocalyptic number.

6840567 is a deficient number, since it is larger than the sum of its proper divisors (3040265).

6840567 is a wasteful number, since it uses less digits than its factorization.

6840567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760069 (or 760066 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6840567 is about 2615.4477628123. The cubic root of 6840567 is about 189.8296441635.

The spelling of 6840567 in words is "six million, eight hundred forty thousand, five hundred sixty-seven".