6309996 has 48 divisors (see below), whose sum is σ = 18359040. Its totient is φ = 1638720.

The previous prime is 6309973. The next prime is 6309997. The reversal of 6309996 is 6999036.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 2491 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (382480).

Almost surely, 2^6309996 is an apocalyptic number.

6309996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6309996 is an abundant number, since it is smaller than the sum of its proper divisors (12049044).

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

6309996 is a wasteful number, since it uses less digits than its factorization.

6309996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 6309996 is about 2511.9705412285. The cubic root of 6309996 is about 184.7891046968.

The spelling of 6309996 in words is "six million, three hundred nine thousand, nine hundred ninety-six".