6309399 has 8 divisors (see below), whose sum is σ = 8684032. Its totient is φ = 4070520.

The previous prime is 6309389. The next prime is 6309437. The reversal of 6309399 is 9939036.

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

It is not a de Polignac number, because 6309399 - 2⁷ = 6309271 is a prime.

It is a Duffinian number.

6309399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6309389) 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, 33829 + ... + 34014.

It is an arithmetic number, because the mean of its divisors is an integer number (1085504).

Almost surely, 2^6309399 is an apocalyptic number.

6309399 is a deficient number, since it is larger than the sum of its proper divisors (2374633).

6309399 is a wasteful number, since it uses less digits than its factorization.

6309399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67877.

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

The square root of 6309399 is about 2511.8517074063. The cubic root of 6309399 is about 184.7832767705.

The spelling of 6309399 in words is "six million, three hundred nine thousand, three hundred ninety-nine".