3671946 has 32 divisors (see below), whose sum is σ = 8320320. Its totient is φ = 1199952.

The previous prime is 3671939. The next prime is 3671971. The reversal of 3671946 is 6491763.

3671946 is nontrivially palindromic in base 5.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3671946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (260010).

Almost surely, 2^3671946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4160160).

3671946 is an abundant number, since it is smaller than the sum of its proper divisors (4648374).

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

3671946 is a wasteful number, since it uses less digits than its factorization.

3671946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1341 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3671946 is about 1916.2322406222. The cubic root of 3671946 is about 154.2761391765.

The spelling of 3671946 in words is "three million, six hundred seventy-one thousand, nine hundred forty-six".