6938836 has 6 divisors (see below), whose sum is σ = 12142970. Its totient is φ = 3469416.

The previous prime is 6938821. The next prime is 6938837. The reversal of 6938836 is 6388396.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 126736 = 2610^2 + 356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6938792 and 6938801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867351 + ... + 867358.

Almost surely, 2^6938836 is an apocalyptic number.

It is an amenable number.

6938836 is a deficient number, since it is larger than the sum of its proper divisors (5204134).

6938836 is a wasteful number, since it uses less digits than its factorization.

6938836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734713 (or 1734711 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 6938836 is about 2634.1670410207. The cubic root of 6938836 is about 190.7343327296.

It can be divided in two parts, 693883 and 6, that added together give a square (693889 = 833²).

The spelling of 6938836 in words is "six million, nine hundred thirty-eight thousand, eight hundred thirty-six".