6840053 has 8 divisors (see below), whose sum is σ = 7635936. Its totient is φ = 6073200.

The previous prime is 6840049. The next prime is 6840061. The reversal of 6840053 is 3500486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6840053 - 2² = 6840049 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6758 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (954492).

Almost surely, 2^6840053 is an apocalyptic number.

It is an amenable number.

6840053 is a deficient number, since it is larger than the sum of its proper divisors (795883).

6840053 is a wasteful number, since it uses less digits than its factorization.

6840053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6840053 is about 2615.3494986330. The cubic root of 6840053 is about 189.8248894465.

The spelling of 6840053 in words is "six million, eight hundred forty thousand, fifty-three".