6309994 has 8 divisors (see below), whose sum is σ = 9791460. Its totient is φ = 3046176.

The previous prime is 6309973. The next prime is 6309997. The reversal of 6309994 is 4999036.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 34969 = 2505^2 + 187^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6309997) 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, 54339 + ... + 54454.

Almost surely, 2^6309994 is an apocalyptic number.

6309994 is a deficient number, since it is larger than the sum of its proper divisors (3481466).

6309994 is a wasteful number, since it uses less digits than its factorization.

6309994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108824.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 6309994 is about 2511.9701431347. The cubic root of 6309994 is about 184.7890851733.

The spelling of 6309994 in words is "six million, three hundred nine thousand, nine hundred ninety-four".