2971894 has 4 divisors (see below), whose sum is σ = 4457844. Its totient is φ = 1485946.

The previous prime is 2971883. The next prime is 2971897. The reversal of 2971894 is 4981792.

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 not an unprimeable number, because it can be changed into a prime (2971897) by changing a digit.

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, 742972 + ... + 742975.

It is an arithmetic number, because the mean of its divisors is an integer number (1114461).

2^2971894 is an apocalyptic number.

2971894 is a deficient number, since it is larger than the sum of its proper divisors (1485950).

2971894 is a wasteful number, since it uses less digits than its factorization.

2971894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485949.

The product of its digits is 36288, while the sum is 40.

The square root of 2971894 is about 1723.9182115170. The cubic root of 2971894 is about 143.7731446036.

The spelling of 2971894 in words is "two million, nine hundred seventy-one thousand, eight hundred ninety-four".