6939387000 has 768 divisors, whose sum is σ = 29777529600. Its totient is φ = 1418342400.

The previous prime is 6939386947. The next prime is 6939387031. The reversal of 6939387000 is 7839396.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30302886 + ... + 30303114.

It is an arithmetic number, because the mean of its divisors is an integer number (38772825).

Almost surely, 2^6939387000 is an apocalyptic number.

6939387000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6939387000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14888764800).

6939387000 is an abundant number, since it is smaller than the sum of its proper divisors (22838142600).

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

6939387000 is a wasteful number, since it uses less digits than its factorization.

6939387000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 6939387000 is about 83302.9831398612. The cubic root of 6939387000 is about 1907.3938121496.

The spelling of 6939387000 in words is "six billion, nine hundred thirty-nine million, three hundred eighty-seven thousand".