3671965 has 8 divisors (see below), whose sum is σ = 4807008. Its totient is φ = 2670480.

The previous prime is 3671939. The next prime is 3671971. The reversal of 3671965 is 5691763.

3671965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3671965 - 2⁹ = 3671453 is a prime.

It is a super-2 number, since 2×3671965² = 26966653922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33327 + ... + 33436.

It is an arithmetic number, because the mean of its divisors is an integer number (600876).

Almost surely, 2^3671965 is an apocalyptic number.

It is an amenable number.

3671965 is a deficient number, since it is larger than the sum of its proper divisors (1135043).

3671965 is a wasteful number, since it uses less digits than its factorization.

3671965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66779.

The product of its digits is 34020, while the sum is 37.

The square root of 3671965 is about 1916.2371982612. The cubic root of 3671965 is about 154.2764052699.

It can be divided in two parts, 367 and 1965, that added together give a palindrome (2332).

The spelling of 3671965 in words is "three million, six hundred seventy-one thousand, nine hundred sixty-five".