6930816 has 32 divisors (see below), whose sum is σ = 18411000. Its totient is φ = 2310144.

The previous prime is 6930811. The next prime is 6930851. The reversal of 6930816 is 6180396.

6930816 = T₂₆₃ + T₂₆₄ + ... + T₃₉₀.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8641 + ... + 9408.

Almost surely, 2^6930816 is an apocalyptic number.

It is an amenable number.

6930816 is an abundant number, since it is smaller than the sum of its proper divisors (11480184).

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

6930816 is a wasteful number, since it uses less digits than its factorization.

6930816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066 (or 18054 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6930816 is about 2632.6442980395. The cubic root of 6930816 is about 190.6608199641.

The spelling of 6930816 in words is "six million, nine hundred thirty thousand, eight hundred sixteen".