3671845 has 8 divisors (see below), whose sum is σ = 4638240. Its totient is φ = 2782800.

The previous prime is 3671839. The next prime is 3671849. The reversal of 3671845 is 5481763.

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

It is not a de Polignac number, because 3671845 - 2⁹ = 3671333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3671845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671849) 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, 19231 + ... + 19420.

It is an arithmetic number, because the mean of its divisors is an integer number (579780).

Almost surely, 2^3671845 is an apocalyptic number.

It is an amenable number.

3671845 is a deficient number, since it is larger than the sum of its proper divisors (966395).

3671845 is a wasteful number, since it uses less digits than its factorization.

3671845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38675.

The product of its digits is 20160, while the sum is 34.

The square root of 3671845 is about 1916.2058866416. The cubic root of 3671845 is about 154.2747246647.

It can be divided in two parts, 36718 and 45, that added together give a palindrome (36763).

The spelling of 3671845 in words is "three million, six hundred seventy-one thousand, eight hundred forty-five".