6938444 has 6 divisors (see below), whose sum is σ = 12142284. Its totient is φ = 3469220.

The previous prime is 6938443. The next prime is 6938447. The reversal of 6938444 is 4448396.

It is a super-2 number, since 2×6938444² = 96284010282272, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6938398 and 6938407.

It is not an unprimeable number, because it can be changed into a prime (6938441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867302 + ... + 867309.

It is an arithmetic number, because the mean of its divisors is an integer number (2023714).

Almost surely, 2^6938444 is an apocalyptic number.

It is an amenable number.

6938444 is a deficient number, since it is larger than the sum of its proper divisors (5203840).

6938444 is a wasteful number, since it uses less digits than its factorization.

6938444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734615 (or 1734613 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 6938444 is about 2634.0926331471. The cubic root of 6938444 is about 190.7307409040.

The spelling of 6938444 in words is "six million, nine hundred thirty-eight thousand, four hundred forty-four".