6859044 has 18 divisors (see below), whose sum is σ = 17338230. Its totient is φ = 2286336.

The previous prime is 6859033. The next prime is 6859063. The reversal of 6859044 is 4409586.

6859044 is a `hidden beast` number, since 68 + 590 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 1742400 = 2262^2 + 1320^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 190529 = 6859044 / (6 + 8 + 5 + 9 + 0 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95229 + ... + 95300.

It is an arithmetic number, because the mean of its divisors is an integer number (963235).

Almost surely, 2^6859044 is an apocalyptic number.

It is an amenable number.

6859044 is an abundant number, since it is smaller than the sum of its proper divisors (10479186).

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

6859044 is a wasteful number, since it uses less digits than its factorization.

6859044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190539 (or 190534 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6859044 is about 2618.9776631350. The cubic root of 6859044 is about 190.0004062780. Note that the first 3 decimals are identical.

The spelling of 6859044 in words is "six million, eight hundred fifty-nine thousand, forty-four".