3667894 has 4 divisors (see below), whose sum is σ = 5501844. Its totient is φ = 1833946.

The previous prime is 3667871. The next prime is 3667897. The reversal of 3667894 is 4987663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3667894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916972 + ... + 916975.

It is an arithmetic number, because the mean of its divisors is an integer number (1375461).

Almost surely, 2^3667894 is an apocalyptic number.

3667894 is a deficient number, since it is larger than the sum of its proper divisors (1833950).

3667894 is a wasteful number, since it uses less digits than its factorization.

3667894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833949.

The product of its digits is 217728, while the sum is 43.

The square root of 3667894 is about 1915.1746656637. The cubic root of 3667894 is about 154.2193702770.

The spelling of 3667894 in words is "three million, six hundred sixty-seven thousand, eight hundred ninety-four".