3171394 has 4 divisors (see below), whose sum is σ = 4757094. Its totient is φ = 1585696.

The previous prime is 3171383. The next prime is 3171403. The reversal of 3171394 is 4931713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4931713 = 43 ⋅114691.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 56169 = 1765^2 + 237^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 792847 + ... + 792850.

Almost surely, 2^3171394 is an apocalyptic number.

3171394 is a deficient number, since it is larger than the sum of its proper divisors (1585700).

3171394 is a wasteful number, since it uses less digits than its factorization.

3171394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585699.

The product of its digits is 2268, while the sum is 28.

The square root of 3171394 is about 1780.8408126500. The cubic root of 3171394 is about 146.9208391101.

It can be divided in two parts, 317 and 1394, that added together give a triangular number (1711 = T₅₈).

The spelling of 3171394 in words is "three million, one hundred seventy-one thousand, three hundred ninety-four".