6890944 has 14 divisors (see below), whose sum is σ = 13674344. Its totient is φ = 3445440.

The previous prime is 6890861. The next prime is 6890957. The reversal of 6890944 is 4490986.

It is a super-2 number, since 2×6890944² = 94970218422272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6890897 and 6890906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53772 + ... + 53899.

Almost surely, 2^6890944 is an apocalyptic number.

6890944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6890944 is a deficient number, since it is larger than the sum of its proper divisors (6783400).

6890944 is a wasteful number, since it uses less digits than its factorization.

6890944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107683 (or 107673 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6890944 is about 2625.0607612015. The cubic root of 6890944 is about 190.2945017325.

The spelling of 6890944 in words is "six million, eight hundred ninety thousand, nine hundred forty-four".