3661934 has 4 divisors (see below), whose sum is σ = 5492904. Its totient is φ = 1830966.

The previous prime is 3661913. The next prime is 3661943. The reversal of 3661934 is 4391663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4391663 = 191 ⋅22993.

It is a self number, because there is not a number n which added to its sum of digits gives 3661934.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 915482 + ... + 915485.

It is an arithmetic number, because the mean of its divisors is an integer number (1373226).

Almost surely, 2^3661934 is an apocalyptic number.

3661934 is a deficient number, since it is larger than the sum of its proper divisors (1830970).

3661934 is a wasteful number, since it uses less digits than its factorization.

3661934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830969.

The product of its digits is 11664, while the sum is 32.

The square root of 3661934 is about 1913.6180392126. The cubic root of 3661934 is about 154.1357940940.

The spelling of 3661934 in words is "three million, six hundred sixty-one thousand, nine hundred thirty-four".