6858930 has 64 divisors (see below), whose sum is σ = 18184320. Its totient is φ = 1645056.

The previous prime is 6858923. The next prime is 6858937. The reversal of 6858930 is 398586.

It is an interprime number because it is at equal distance from previous prime (6858923) and next prime (6858937).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6858937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16566 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (284130).

Almost surely, 2^6858930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6858930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9092160).

6858930 is an abundant number, since it is smaller than the sum of its proper divisors (11325390).

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

6858930 is a wasteful number, since it uses less digits than its factorization.

6858930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 6858930 is about 2618.9558988269. The cubic root of 6858930 is about 189.9993536451. Note that the first 3 decimals are identical.

The spelling of 6858930 in words is "six million, eight hundred fifty-eight thousand, nine hundred thirty".