6930399 has 8 divisors (see below), whose sum is σ = 10560640. Its totient is φ = 3960216.

The previous prime is 6930389. The next prime is 6930409. The reversal of 6930399 is 9930396.

It is an interprime number because it is at equal distance from previous prime (6930389) and next prime (6930409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6930399 - 2⁵ = 6930367 is a prime.

It is a Duffinian number.

6930399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930379) 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, 164989 + ... + 165030.

It is an arithmetic number, because the mean of its divisors is an integer number (1320080).

Almost surely, 2^6930399 is an apocalyptic number.

6930399 is a deficient number, since it is larger than the sum of its proper divisors (3630241).

6930399 is a wasteful number, since it uses less digits than its factorization.

6930399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330029.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 6930399 is about 2632.5650989102. The cubic root of 6930399 is about 190.6569961163.

The spelling of 6930399 in words is "six million, nine hundred thirty thousand, three hundred ninety-nine".