3661941 has 8 divisors (see below), whose sum is σ = 4895104. Its totient is φ = 2435040.

The previous prime is 3661913. The next prime is 3661943. The reversal of 3661941 is 1491663.

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

It is not a de Polignac number, because 3661941 - 2⁵ = 3661909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3661899 and 3661908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (611888).

Almost surely, 2^3661941 is an apocalyptic number.

It is an amenable number.

3661941 is a deficient number, since it is larger than the sum of its proper divisors (1233163).

3661941 is a wasteful number, since it uses less digits than its factorization.

3661941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its digits is 3888, while the sum is 30.

The square root of 3661941 is about 1913.6198682079. The cubic root of 3661941 is about 154.1358923071.

The spelling of 3661941 in words is "three million, six hundred sixty-one thousand, nine hundred forty-one".