6845634 has 20 divisors (see below), whose sum is σ = 15339654. Its totient is φ = 2281824.

The previous prime is 6845633. The next prime is 6845659. The reversal of 6845634 is 4365486.

It can be written as a sum of positive squares in only one way, i.e., 5774409 + 1071225 = 2403^2 + 1035^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6845633) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20967 + ... + 21290.

Almost surely, 2^6845634 is an apocalyptic number.

6845634 is an abundant number, since it is smaller than the sum of its proper divisors (8494020).

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

6845634 is a wasteful number, since it uses less digits than its factorization.

6845634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271 (or 42262 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6845634 is about 2616.4162512872. The cubic root of 6845634 is about 189.8765033109.

The spelling of 6845634 in words is "six million, eight hundred forty-five thousand, six hundred thirty-four".