6390272 has 40 divisors (see below), whose sum is σ = 14600256. Its totient is φ = 2737152.

The previous prime is 6390257. The next prime is 6390281. The reversal of 6390272 is 2720936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693 + ... + 4475.

Almost surely, 2^6390272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6390272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7300128).

6390272 is an abundant number, since it is smaller than the sum of its proper divisors (8209984).

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

6390272 is an equidigital number, since it uses as much as digits as its factorization.

6390272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 6390272 is about 2527.8987321489. The cubic root of 6390272 is about 185.5694361086.

The spelling of 6390272 in words is "six million, three hundred ninety thousand, two hundred seventy-two".