6390212 has 6 divisors (see below), whose sum is σ = 11182878. Its totient is φ = 3195104.

The previous prime is 6390211. The next prime is 6390227. The reversal of 6390212 is 2120936.

It can be written as a sum of positive squares in only one way, i.e., 4605316 + 1784896 = 2146^2 + 1336^2 .

It is not an unprimeable number, because it can be changed into a prime (6390211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798773 + ... + 798780.

It is an arithmetic number, because the mean of its divisors is an integer number (1863813).

Almost surely, 2^6390212 is an apocalyptic number.

It is an amenable number.

6390212 is a deficient number, since it is larger than the sum of its proper divisors (4792666).

6390212 is a wasteful number, since it uses less digits than its factorization.

6390212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597557 (or 1597555 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6390212 is about 2527.8868645570. The cubic root of 6390212 is about 185.5688553195.

The spelling of 6390212 in words is "six million, three hundred ninety thousand, two hundred twelve".