6654838 has 4 divisors (see below), whose sum is σ = 9982260. Its totient is φ = 3327418.

The previous prime is 6654829. The next prime is 6654847. The reversal of 6654838 is 8384566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8384566 = 2 ⋅4192283.

It is an interprime number because it is at equal distance from previous prime (6654829) and next prime (6654847).

It is a self number, because there is not a number n which added to its sum of digits gives 6654838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663708 + ... + 1663711.

It is an arithmetic number, because the mean of its divisors is an integer number (2495565).

Almost surely, 2^6654838 is an apocalyptic number.

6654838 is a deficient number, since it is larger than the sum of its proper divisors (3327422).

6654838 is a wasteful number, since it uses less digits than its factorization.

6654838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327421.

The product of its digits is 138240, while the sum is 40.

The square root of 6654838 is about 2579.6972690608. The cubic root of 6654838 is about 188.0958278625.

The spelling of 6654838 in words is "six million, six hundred fifty-four thousand, eight hundred thirty-eight".