6789390 has 16 divisors (see below), whose sum is σ = 16294608. Its totient is φ = 1810496.

The previous prime is 6789383. The next prime is 6789397. The reversal of 6789390 is 939876.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6789383) and next prime (6789397).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113127 + ... + 113186.

It is an arithmetic number, because the mean of its divisors is an integer number (1018413).

Almost surely, 2^6789390 is an apocalyptic number.

6789390 is an abundant number, since it is smaller than the sum of its proper divisors (9505218).

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

6789390 is a wasteful number, since it uses less digits than its factorization.

6789390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226323.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6789390 is about 2605.6457932728. The cubic root of 6789390 is about 189.3550616746.

It can be divided in two parts, 6 and 789390, that added together give a triangular number (789396 = T₁₂₅₆).

The spelling of 6789390 in words is "six million, seven hundred eighty-nine thousand, three hundred ninety".