6865390 has 24 divisors (see below), whose sum is σ = 14376312. Its totient is φ = 2353680.

The previous prime is 6865381. The next prime is 6865393. The reversal of 6865390 is 935686.

6865390 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6865390 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6516 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (599013).

Almost surely, 2^6865390 is an apocalyptic number.

6865390 is an abundant number, since it is smaller than the sum of its proper divisors (7510922).

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

6865390 is a wasteful number, since it uses less digits than its factorization.

6865390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032 (or 14025 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6865390 is about 2620.1889244862. The cubic root of 6865390 is about 190.0589844568.

The spelling of 6865390 in words is "six million, eight hundred sixty-five thousand, three hundred ninety".