3661874 has 8 divisors (see below), whose sum is σ = 5626908. Its totient is φ = 1786240.

The previous prime is 3661871. The next prime is 3661907. The reversal of 3661874 is 4781663.

3661874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 265225 = 1843^2 + 515^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22247 + ... + 22410.

Almost surely, 2^3661874 is an apocalyptic number.

3661874 is a deficient number, since it is larger than the sum of its proper divisors (1965034).

3661874 is a wasteful number, since it uses less digits than its factorization.

3661874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44700.

The product of its digits is 24192, while the sum is 35.

The square root of 3661874 is about 1913.6023620387. The cubic root of 3661874 is about 154.1349522621.

The spelling of 3661874 in words is "three million, six hundred sixty-one thousand, eight hundred seventy-four".