6846645 has 16 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 3370560.

The previous prime is 6846641. The next prime is 6846647. The reversal of 6846645 is 5466486.

It is not a de Polignac number, because 6846645 - 2² = 6846641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6846641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17361 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^6846645 is an apocalyptic number.

6846645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6846645 is a deficient number, since it is larger than the sum of its proper divisors (4950987).

6846645 is a wasteful number, since it uses less digits than its factorization.

6846645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35132.

The product of its digits is 138240, while the sum is 39.

The square root of 6846645 is about 2616.6094473574. The cubic root of 6846645 is about 189.8858501781.

The spelling of 6846645 in words is "six million, eight hundred forty-six thousand, six hundred forty-five".