3845838 has 8 divisors (see below), whose sum is σ = 7691688. Its totient is φ = 1281944.

The previous prime is 3845837. The next prime is 3845861. The reversal of 3845838 is 8385483.

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

3845838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3845796 and 3845805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320481 + ... + 320492.

It is an arithmetic number, because the mean of its divisors is an integer number (961461).

Almost surely, 2^3845838 is an apocalyptic number.

3845838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3845838 is a wasteful number, since it uses less digits than its factorization.

3845838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640978.

The product of its digits is 92160, while the sum is 39.

The square root of 3845838 is about 1961.0808244435. The cubic root of 3845838 is about 156.6740230940.

The spelling of 3845838 in words is "three million, eight hundred forty-five thousand, eight hundred thirty-eight".