6867387 has 6 divisors (see below), whose sum is σ = 9919572. Its totient is φ = 4578252.

The previous prime is 6867383. The next prime is 6867389. The reversal of 6867387 is 7837686.

It is not a de Polignac number, because 6867387 - 2² = 6867383 is a prime.

It is a super-2 number, since 2×6867387² = 94322008415538, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6867383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381513 + ... + 381530.

It is an arithmetic number, because the mean of its divisors is an integer number (1653262).

Almost surely, 2^6867387 is an apocalyptic number.

6867387 is a deficient number, since it is larger than the sum of its proper divisors (3052185).

6867387 is a wasteful number, since it uses less digits than its factorization.

6867387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763049 (or 763046 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6867387 is about 2620.5699761693. The cubic root of 6867387 is about 190.0774107466.

Subtracting 6867387 from its reverse (7837686), we obtain a cube (970299 = 99³).

The spelling of 6867387 in words is "six million, eight hundred sixty-seven thousand, three hundred eighty-seven".