3641894 has 4 divisors (see below), whose sum is σ = 5462844. Its totient is φ = 1820946.

The previous prime is 3641887. The next prime is 3641917. The reversal of 3641894 is 4981463.

3641894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4981463 = 2213 ⋅2251.

It is a Curzon 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 as a sum of consecutive naturals, namely, 910472 + ... + 910475.

It is an arithmetic number, because the mean of its divisors is an integer number (1365711).

Almost surely, 2^3641894 is an apocalyptic number.

3641894 is a deficient number, since it is larger than the sum of its proper divisors (1820950).

3641894 is a wasteful number, since it uses less digits than its factorization.

3641894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820949.

The product of its digits is 20736, while the sum is 35.

The square root of 3641894 is about 1908.3747011528. The cubic root of 3641894 is about 153.8541093194.

The spelling of 3641894 in words is "three million, six hundred forty-one thousand, eight hundred ninety-four".