6838745 has 4 divisors (see below), whose sum is σ = 8206500. Its totient is φ = 5470992.

The previous prime is 6838739. The next prime is 6838801. The reversal of 6838745 is 5478386.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 2886601 = 1988^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 6838745 - 2⁴ = 6838729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683870 + ... + 683879.

It is an arithmetic number, because the mean of its divisors is an integer number (2051625).

Almost surely, 2^6838745 is an apocalyptic number.

It is an amenable number.

6838745 is a deficient number, since it is larger than the sum of its proper divisors (1367755).

6838745 is a wasteful number, since it uses less digits than its factorization.

6838745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367754.

The product of its digits is 161280, while the sum is 41.

The square root of 6838745 is about 2615.0994244961. The cubic root of 6838745 is about 189.8127888198.

It can be divided in two parts, 68 and 38745, that multiplied together give a triangular number (2634660 = T₂₂₉₅).

The spelling of 6838745 in words is "six million, eight hundred thirty-eight thousand, seven hundred forty-five".