6219438 has 16 divisors (see below), whose sum is σ = 12643536. Its totient is φ = 2039040.

The previous prime is 6219419. The next prime is 6219443. The reversal of 6219438 is 8349126.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6219399 and 6219408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8131 + ... + 8862.

It is an arithmetic number, because the mean of its divisors is an integer number (790221).

Almost surely, 2^6219438 is an apocalyptic number.

6219438 is an abundant number, since it is smaller than the sum of its proper divisors (6424098).

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

6219438 is a wasteful number, since it uses less digits than its factorization.

6219438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17059.

The product of its digits is 10368, while the sum is 33.

The square root of 6219438 is about 2493.8801093878. The cubic root of 6219438 is about 183.9008405539.

The spelling of 6219438 in words is "six million, two hundred nineteen thousand, four hundred thirty-eight".