6850019 has 4 divisors (see below), whose sum is σ = 7472760. Its totient is φ = 6227280.

The previous prime is 6850007. The next prime is 6850049. The reversal of 6850019 is 9100586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6850019 is a prime.

It is a super-2 number, since 2×6850019² = 93845520600722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6849973 and 6850000.

It is not an unprimeable number, because it can be changed into a prime (6850049) 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 in 3 ways as a sum of consecutive naturals, for example, 311354 + ... + 311375.

It is an arithmetic number, because the mean of its divisors is an integer number (1868190).

Almost surely, 2^6850019 is an apocalyptic number.

6850019 is a deficient number, since it is larger than the sum of its proper divisors (622741).

6850019 is a wasteful number, since it uses less digits than its factorization.

6850019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622740.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 6850019 is about 2617.2540954214. The cubic root of 6850019 is about 189.9170367250.

The spelling of 6850019 in words is "six million, eight hundred fifty thousand, nineteen".