6390068 has 12 divisors (see below), whose sum is σ = 11294052. Its totient is φ = 3163200.

The previous prime is 6390053. The next prime is 6390107. The reversal of 6390068 is 8600936.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5943844 + 446224 = 2438^2 + 668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505 + ... + 8312.

It is an arithmetic number, because the mean of its divisors is an integer number (941171).

Almost surely, 2^6390068 is an apocalyptic number.

It is an amenable number.

6390068 is a deficient number, since it is larger than the sum of its proper divisors (4903984).

6390068 is a wasteful number, since it uses less digits than its factorization.

6390068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15922 (or 15920 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6390068 is about 2527.8583821093. The cubic root of 6390068 is about 185.5674614109.

The spelling of 6390068 in words is "six million, three hundred ninety thousand, sixty-eight".