6390486 has 12 divisors (see below), whose sum is σ = 13846092. Its totient is φ = 2130156.

The previous prime is 6390463. The next prime is 6390499. The reversal of 6390486 is 6840936.

It is a super-3 number, since 3×6390486³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6390486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177496 + ... + 177531.

It is an arithmetic number, because the mean of its divisors is an integer number (1153841).

Almost surely, 2^6390486 is an apocalyptic number.

6390486 is an abundant number, since it is smaller than the sum of its proper divisors (7455606).

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

6390486 is a wasteful number, since it uses less digits than its factorization.

6390486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355035 (or 355032 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6390486 is about 2527.9410594395. The cubic root of 6390486 is about 185.5715075602.

The spelling of 6390486 in words is "six million, three hundred ninety thousand, four hundred eighty-six".