3187894 has 4 divisors (see below), whose sum is σ = 4781844. Its totient is φ = 1593946.

The previous prime is 3187879. The next prime is 3187901. The reversal of 3187894 is 4987813.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796972 + ... + 796975.

It is an arithmetic number, because the mean of its divisors is an integer number (1195461).

Almost surely, 2^3187894 is an apocalyptic number.

3187894 is a deficient number, since it is larger than the sum of its proper divisors (1593950).

3187894 is a wasteful number, since it uses less digits than its factorization.

3187894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593949.

The product of its digits is 48384, while the sum is 40.

The square root of 3187894 is about 1785.4674457968. The cubic root of 3187894 is about 147.1751964253.

The spelling of 3187894 in words is "three million, one hundred eighty-seven thousand, eight hundred ninety-four".